diff options
Diffstat (limited to 'drivers/net')
-rw-r--r-- | drivers/net/xen-netback/common.h | 24 | ||||
-rw-r--r-- | drivers/net/xen-netback/interface.c | 20 | ||||
-rw-r--r-- | drivers/net/xen-netback/netback.c | 223 |
3 files changed, 134 insertions, 133 deletions
diff --git a/drivers/net/xen-netback/common.h b/drivers/net/xen-netback/common.h index 9c1f15872e1..a1977430ddf 100644 --- a/drivers/net/xen-netback/common.h +++ b/drivers/net/xen-netback/common.h @@ -190,21 +190,21 @@ void xenvif_xenbus_fini(void); int xenvif_schedulable(struct xenvif *vif); -int xen_netbk_rx_ring_full(struct xenvif *vif); +int xenvif_rx_ring_full(struct xenvif *vif); -int xen_netbk_must_stop_queue(struct xenvif *vif); +int xenvif_must_stop_queue(struct xenvif *vif); /* (Un)Map communication rings. */ -void xen_netbk_unmap_frontend_rings(struct xenvif *vif); -int xen_netbk_map_frontend_rings(struct xenvif *vif, - grant_ref_t tx_ring_ref, - grant_ref_t rx_ring_ref); +void xenvif_unmap_frontend_rings(struct xenvif *vif); +int xenvif_map_frontend_rings(struct xenvif *vif, + grant_ref_t tx_ring_ref, + grant_ref_t rx_ring_ref); /* Check for SKBs from frontend and schedule backend processing */ -void xen_netbk_check_rx_xenvif(struct xenvif *vif); +void xenvif_check_rx_xenvif(struct xenvif *vif); /* Queue an SKB for transmission to the frontend */ -void xen_netbk_queue_tx_skb(struct xenvif *vif, struct sk_buff *skb); +void xenvif_queue_tx_skb(struct xenvif *vif, struct sk_buff *skb); /* Notify xenvif that ring now has space to send an skb to the frontend */ void xenvif_notify_tx_completion(struct xenvif *vif); @@ -212,12 +212,12 @@ void xenvif_notify_tx_completion(struct xenvif *vif); void xenvif_carrier_off(struct xenvif *vif); /* Returns number of ring slots required to send an skb to the frontend */ -unsigned int xen_netbk_count_skb_slots(struct xenvif *vif, struct sk_buff *skb); +unsigned int xenvif_count_skb_slots(struct xenvif *vif, struct sk_buff *skb); -int xen_netbk_tx_action(struct xenvif *vif, int budget); -void xen_netbk_rx_action(struct xenvif *vif); +int xenvif_tx_action(struct xenvif *vif, int budget); +void xenvif_rx_action(struct xenvif *vif); -int xen_netbk_kthread(void *data); +int xenvif_kthread(void *data); extern bool separate_tx_rx_irq; diff --git a/drivers/net/xen-netback/interface.c b/drivers/net/xen-netback/interface.c index 44d6b707c77..625c6f49cfb 100644 --- a/drivers/net/xen-netback/interface.c +++ b/drivers/net/xen-netback/interface.c @@ -48,7 +48,7 @@ int xenvif_schedulable(struct xenvif *vif) static int xenvif_rx_schedulable(struct xenvif *vif) { - return xenvif_schedulable(vif) && !xen_netbk_rx_ring_full(vif); + return xenvif_schedulable(vif) && !xenvif_rx_ring_full(vif); } static irqreturn_t xenvif_tx_interrupt(int irq, void *dev_id) @@ -66,7 +66,7 @@ static int xenvif_poll(struct napi_struct *napi, int budget) struct xenvif *vif = container_of(napi, struct xenvif, napi); int work_done; - work_done = xen_netbk_tx_action(vif, budget); + work_done = xenvif_tx_action(vif, budget); if (work_done < budget) { int more_to_do = 0; @@ -133,12 +133,12 @@ static int xenvif_start_xmit(struct sk_buff *skb, struct net_device *dev) goto drop; /* Reserve ring slots for the worst-case number of fragments. */ - vif->rx_req_cons_peek += xen_netbk_count_skb_slots(vif, skb); + vif->rx_req_cons_peek += xenvif_count_skb_slots(vif, skb); - if (vif->can_queue && xen_netbk_must_stop_queue(vif)) + if (vif->can_queue && xenvif_must_stop_queue(vif)) netif_stop_queue(dev); - xen_netbk_queue_tx_skb(vif, skb); + xenvif_queue_tx_skb(vif, skb); return NETDEV_TX_OK; @@ -166,7 +166,7 @@ static void xenvif_up(struct xenvif *vif) enable_irq(vif->tx_irq); if (vif->tx_irq != vif->rx_irq) enable_irq(vif->rx_irq); - xen_netbk_check_rx_xenvif(vif); + xenvif_check_rx_xenvif(vif); } static void xenvif_down(struct xenvif *vif) @@ -368,7 +368,7 @@ int xenvif_connect(struct xenvif *vif, unsigned long tx_ring_ref, __module_get(THIS_MODULE); - err = xen_netbk_map_frontend_rings(vif, tx_ring_ref, rx_ring_ref); + err = xenvif_map_frontend_rings(vif, tx_ring_ref, rx_ring_ref); if (err < 0) goto err; @@ -405,7 +405,7 @@ int xenvif_connect(struct xenvif *vif, unsigned long tx_ring_ref, } init_waitqueue_head(&vif->wq); - vif->task = kthread_create(xen_netbk_kthread, + vif->task = kthread_create(xenvif_kthread, (void *)vif, vif->dev->name); if (IS_ERR(vif->task)) { pr_warn("Could not allocate kthread for %s\n", vif->dev->name); @@ -433,7 +433,7 @@ err_tx_unbind: unbind_from_irqhandler(vif->tx_irq, vif); vif->tx_irq = 0; err_unmap: - xen_netbk_unmap_frontend_rings(vif); + xenvif_unmap_frontend_rings(vif); err: module_put(THIS_MODULE); return err; @@ -481,7 +481,7 @@ void xenvif_disconnect(struct xenvif *vif) unregister_netdev(vif->dev); - xen_netbk_unmap_frontend_rings(vif); + xenvif_unmap_frontend_rings(vif); free_netdev(vif->dev); diff --git a/drivers/net/xen-netback/netback.c b/drivers/net/xen-netback/netback.c index 44ccc674c02..956130c7003 100644 --- a/drivers/net/xen-netback/netback.c +++ b/drivers/net/xen-netback/netback.c @@ -80,8 +80,9 @@ static inline int pending_tx_is_head(struct xenvif *vif, RING_IDX idx) return vif->pending_tx_info[idx].head != INVALID_PENDING_RING_IDX; } -static void xen_netbk_idx_release(struct xenvif *vif, u16 pending_idx, - u8 status); +static void xenvif_idx_release(struct xenvif *vif, u16 pending_idx, + u8 status); + static void make_tx_response(struct xenvif *vif, struct xen_netif_tx_request *txp, s8 st); @@ -150,7 +151,7 @@ static int max_required_rx_slots(struct xenvif *vif) return max; } -int xen_netbk_rx_ring_full(struct xenvif *vif) +int xenvif_rx_ring_full(struct xenvif *vif) { RING_IDX peek = vif->rx_req_cons_peek; RING_IDX needed = max_required_rx_slots(vif); @@ -159,16 +160,16 @@ int xen_netbk_rx_ring_full(struct xenvif *vif) ((vif->rx.rsp_prod_pvt + XEN_NETIF_RX_RING_SIZE - peek) < needed); } -int xen_netbk_must_stop_queue(struct xenvif *vif) +int xenvif_must_stop_queue(struct xenvif *vif) { - if (!xen_netbk_rx_ring_full(vif)) + if (!xenvif_rx_ring_full(vif)) return 0; vif->rx.sring->req_event = vif->rx_req_cons_peek + max_required_rx_slots(vif); mb(); /* request notification /then/ check the queue */ - return xen_netbk_rx_ring_full(vif); + return xenvif_rx_ring_full(vif); } /* @@ -214,9 +215,9 @@ static bool start_new_rx_buffer(int offset, unsigned long size, int head) /* * Figure out how many ring slots we're going to need to send @skb to * the guest. This function is essentially a dry run of - * netbk_gop_frag_copy. + * xenvif_gop_frag_copy. */ -unsigned int xen_netbk_count_skb_slots(struct xenvif *vif, struct sk_buff *skb) +unsigned int xenvif_count_skb_slots(struct xenvif *vif, struct sk_buff *skb) { unsigned int count; int i, copy_off; @@ -296,10 +297,10 @@ static struct xenvif_rx_meta *get_next_rx_buffer(struct xenvif *vif, * Set up the grant operations for this fragment. If it's a flipping * interface, we also set up the unmap request from here. */ -static void netbk_gop_frag_copy(struct xenvif *vif, struct sk_buff *skb, - struct netrx_pending_operations *npo, - struct page *page, unsigned long size, - unsigned long offset, int *head) +static void xenvif_gop_frag_copy(struct xenvif *vif, struct sk_buff *skb, + struct netrx_pending_operations *npo, + struct page *page, unsigned long size, + unsigned long offset, int *head) { struct gnttab_copy *copy_gop; struct xenvif_rx_meta *meta; @@ -382,8 +383,8 @@ static void netbk_gop_frag_copy(struct xenvif *vif, struct sk_buff *skb, * zero GSO descriptors (for non-GSO packets) or one descriptor (for * frontend-side LRO). */ -static int netbk_gop_skb(struct sk_buff *skb, - struct netrx_pending_operations *npo) +static int xenvif_gop_skb(struct sk_buff *skb, + struct netrx_pending_operations *npo) { struct xenvif *vif = netdev_priv(skb->dev); int nr_frags = skb_shinfo(skb)->nr_frags; @@ -426,30 +427,30 @@ static int netbk_gop_skb(struct sk_buff *skb, if (data + len > skb_tail_pointer(skb)) len = skb_tail_pointer(skb) - data; - netbk_gop_frag_copy(vif, skb, npo, - virt_to_page(data), len, offset, &head); + xenvif_gop_frag_copy(vif, skb, npo, + virt_to_page(data), len, offset, &head); data += len; } for (i = 0; i < nr_frags; i++) { - netbk_gop_frag_copy(vif, skb, npo, - skb_frag_page(&skb_shinfo(skb)->frags[i]), - skb_frag_size(&skb_shinfo(skb)->frags[i]), - skb_shinfo(skb)->frags[i].page_offset, - &head); + xenvif_gop_frag_copy(vif, skb, npo, + skb_frag_page(&skb_shinfo(skb)->frags[i]), + skb_frag_size(&skb_shinfo(skb)->frags[i]), + skb_shinfo(skb)->frags[i].page_offset, + &head); } return npo->meta_prod - old_meta_prod; } /* - * This is a twin to netbk_gop_skb. Assume that netbk_gop_skb was + * This is a twin to xenvif_gop_skb. Assume that xenvif_gop_skb was * used to set up the operations on the top of * netrx_pending_operations, which have since been done. Check that * they didn't give any errors and advance over them. */ -static int netbk_check_gop(struct xenvif *vif, int nr_meta_slots, - struct netrx_pending_operations *npo) +static int xenvif_check_gop(struct xenvif *vif, int nr_meta_slots, + struct netrx_pending_operations *npo) { struct gnttab_copy *copy_op; int status = XEN_NETIF_RSP_OKAY; @@ -468,9 +469,9 @@ static int netbk_check_gop(struct xenvif *vif, int nr_meta_slots, return status; } -static void netbk_add_frag_responses(struct xenvif *vif, int status, - struct xenvif_rx_meta *meta, - int nr_meta_slots) +static void xenvif_add_frag_responses(struct xenvif *vif, int status, + struct xenvif_rx_meta *meta, + int nr_meta_slots) { int i; unsigned long offset; @@ -498,12 +499,12 @@ struct skb_cb_overlay { int meta_slots_used; }; -static void xen_netbk_kick_thread(struct xenvif *vif) +static void xenvif_kick_thread(struct xenvif *vif) { wake_up(&vif->wq); } -void xen_netbk_rx_action(struct xenvif *vif) +void xenvif_rx_action(struct xenvif *vif) { s8 status; u16 flags; @@ -532,7 +533,7 @@ void xen_netbk_rx_action(struct xenvif *vif) nr_frags = skb_shinfo(skb)->nr_frags; sco = (struct skb_cb_overlay *)skb->cb; - sco->meta_slots_used = netbk_gop_skb(skb, &npo); + sco->meta_slots_used = xenvif_gop_skb(skb, &npo); count += nr_frags + 1; @@ -575,7 +576,7 @@ void xen_netbk_rx_action(struct xenvif *vif) vif->dev->stats.tx_bytes += skb->len; vif->dev->stats.tx_packets++; - status = netbk_check_gop(vif, sco->meta_slots_used, &npo); + status = xenvif_check_gop(vif, sco->meta_slots_used, &npo); if (sco->meta_slots_used == 1) flags = 0; @@ -611,9 +612,9 @@ void xen_netbk_rx_action(struct xenvif *vif) gso->flags = 0; } - netbk_add_frag_responses(vif, status, - vif->meta + npo.meta_cons + 1, - sco->meta_slots_used); + xenvif_add_frag_responses(vif, status, + vif->meta + npo.meta_cons + 1, + sco->meta_slots_used); RING_PUSH_RESPONSES_AND_CHECK_NOTIFY(&vif->rx, ret); @@ -631,17 +632,17 @@ void xen_netbk_rx_action(struct xenvif *vif) /* More work to do? */ if (!skb_queue_empty(&vif->rx_queue)) - xen_netbk_kick_thread(vif); + xenvif_kick_thread(vif); } -void xen_netbk_queue_tx_skb(struct xenvif *vif, struct sk_buff *skb) +void xenvif_queue_tx_skb(struct xenvif *vif, struct sk_buff *skb) { skb_queue_tail(&vif->rx_queue, skb); - xen_netbk_kick_thread(vif); + xenvif_kick_thread(vif); } -void xen_netbk_check_rx_xenvif(struct xenvif *vif) +void xenvif_check_rx_xenvif(struct xenvif *vif) { int more_to_do; @@ -675,11 +676,11 @@ static void tx_credit_callback(unsigned long data) { struct xenvif *vif = (struct xenvif *)data; tx_add_credit(vif); - xen_netbk_check_rx_xenvif(vif); + xenvif_check_rx_xenvif(vif); } -static void netbk_tx_err(struct xenvif *vif, - struct xen_netif_tx_request *txp, RING_IDX end) +static void xenvif_tx_err(struct xenvif *vif, + struct xen_netif_tx_request *txp, RING_IDX end) { RING_IDX cons = vif->tx.req_cons; @@ -692,16 +693,16 @@ static void netbk_tx_err(struct xenvif *vif, vif->tx.req_cons = cons; } -static void netbk_fatal_tx_err(struct xenvif *vif) +static void xenvif_fatal_tx_err(struct xenvif *vif) { netdev_err(vif->dev, "fatal error; disabling device\n"); xenvif_carrier_off(vif); } -static int netbk_count_requests(struct xenvif *vif, - struct xen_netif_tx_request *first, - struct xen_netif_tx_request *txp, - int work_to_do) +static int xenvif_count_requests(struct xenvif *vif, + struct xen_netif_tx_request *first, + struct xen_netif_tx_request *txp, + int work_to_do) { RING_IDX cons = vif->tx.req_cons; int slots = 0; @@ -718,7 +719,7 @@ static int netbk_count_requests(struct xenvif *vif, netdev_err(vif->dev, "Asked for %d slots but exceeds this limit\n", work_to_do); - netbk_fatal_tx_err(vif); + xenvif_fatal_tx_err(vif); return -ENODATA; } @@ -729,7 +730,7 @@ static int netbk_count_requests(struct xenvif *vif, netdev_err(vif->dev, "Malicious frontend using %d slots, threshold %u\n", slots, fatal_skb_slots); - netbk_fatal_tx_err(vif); + xenvif_fatal_tx_err(vif); return -E2BIG; } @@ -777,7 +778,7 @@ static int netbk_count_requests(struct xenvif *vif, if (unlikely((txp->offset + txp->size) > PAGE_SIZE)) { netdev_err(vif->dev, "Cross page boundary, txp->offset: %x, size: %u\n", txp->offset, txp->size); - netbk_fatal_tx_err(vif); + xenvif_fatal_tx_err(vif); return -EINVAL; } @@ -789,15 +790,15 @@ static int netbk_count_requests(struct xenvif *vif, } while (more_data); if (drop_err) { - netbk_tx_err(vif, first, cons + slots); + xenvif_tx_err(vif, first, cons + slots); return drop_err; } return slots; } -static struct page *xen_netbk_alloc_page(struct xenvif *vif, - u16 pending_idx) +static struct page *xenvif_alloc_page(struct xenvif *vif, + u16 pending_idx) { struct page *page; @@ -809,10 +810,10 @@ static struct page *xen_netbk_alloc_page(struct xenvif *vif, return page; } -static struct gnttab_copy *xen_netbk_get_requests(struct xenvif *vif, - struct sk_buff *skb, - struct xen_netif_tx_request *txp, - struct gnttab_copy *gop) +static struct gnttab_copy *xenvif_get_requests(struct xenvif *vif, + struct sk_buff *skb, + struct xen_netif_tx_request *txp, + struct gnttab_copy *gop) { struct skb_shared_info *shinfo = skb_shinfo(skb); skb_frag_t *frags = shinfo->frags; @@ -835,7 +836,7 @@ static struct gnttab_copy *xen_netbk_get_requests(struct xenvif *vif, /* Coalesce tx requests, at this point the packet passed in * should be <= 64K. Any packets larger than 64K have been - * handled in netbk_count_requests(). + * handled in xenvif_count_requests(). */ for (shinfo->nr_frags = slot = start; slot < nr_slots; shinfo->nr_frags++) { @@ -918,20 +919,20 @@ static struct gnttab_copy *xen_netbk_get_requests(struct xenvif *vif, err: /* Unwind, freeing all pages and sending error responses. */ while (shinfo->nr_frags-- > start) { - xen_netbk_idx_release(vif, + xenvif_idx_release(vif, frag_get_pending_idx(&frags[shinfo->nr_frags]), XEN_NETIF_RSP_ERROR); } /* The head too, if necessary. */ if (start) - xen_netbk_idx_release(vif, pending_idx, XEN_NETIF_RSP_ERROR); + xenvif_idx_release(vif, pending_idx, XEN_NETIF_RSP_ERROR); return NULL; } -static int xen_netbk_tx_check_gop(struct xenvif *vif, - struct sk_buff *skb, - struct gnttab_copy **gopp) +static int xenvif_tx_check_gop(struct xenvif *vif, + struct sk_buff *skb, + struct gnttab_copy **gopp) { struct gnttab_copy *gop = *gopp; u16 pending_idx = *((u16 *)skb->data); @@ -944,7 +945,7 @@ static int xen_netbk_tx_check_gop(struct xenvif *vif, /* Check status of header. */ err = gop->status; if (unlikely(err)) - xen_netbk_idx_release(vif, pending_idx, XEN_NETIF_RSP_ERROR); + xenvif_idx_release(vif, pending_idx, XEN_NETIF_RSP_ERROR); /* Skip first skb fragment if it is on same page as header fragment. */ start = (frag_get_pending_idx(&shinfo->frags[0]) == pending_idx); @@ -968,13 +969,13 @@ static int xen_netbk_tx_check_gop(struct xenvif *vif, if (likely(!newerr)) { /* Had a previous error? Invalidate this fragment. */ if (unlikely(err)) - xen_netbk_idx_release(vif, pending_idx, - XEN_NETIF_RSP_OKAY); + xenvif_idx_release(vif, pending_idx, + XEN_NETIF_RSP_OKAY); continue; } /* Error on this fragment: respond to client with an error. */ - xen_netbk_idx_release(vif, pending_idx, XEN_NETIF_RSP_ERROR); + xenvif_idx_release(vif, pending_idx, XEN_NETIF_RSP_ERROR); /* Not the first error? Preceding frags already invalidated. */ if (err) @@ -982,11 +983,11 @@ static int xen_netbk_tx_check_gop(struct xenvif *vif, /* First error: invalidate header and preceding fragments. */ pending_idx = *((u16 *)skb->data); - xen_netbk_idx_release(vif, pending_idx, XEN_NETIF_RSP_OKAY); + xenvif_idx_release(vif, pending_idx, XEN_NETIF_RSP_OKAY); for (j = start; j < i; j++) { pending_idx = frag_get_pending_idx(&shinfo->frags[j]); - xen_netbk_idx_release(vif, pending_idx, - XEN_NETIF_RSP_OKAY); + xenvif_idx_release(vif, pending_idx, + XEN_NETIF_RSP_OKAY); } /* Remember the error: invalidate all subsequent fragments. */ @@ -997,7 +998,7 @@ static int xen_netbk_tx_check_gop(struct xenvif *vif, return err; } -static void xen_netbk_fill_frags(struct xenvif *vif, struct sk_buff *skb) +static void xenvif_fill_frags(struct xenvif *vif, struct sk_buff *skb) { struct skb_shared_info *shinfo = skb_shinfo(skb); int nr_frags = shinfo->nr_frags; @@ -1018,13 +1019,13 @@ static void xen_netbk_fill_frags(struct xenvif *vif, struct sk_buff *skb) skb->data_len += txp->size; skb->truesize += txp->size; - /* Take an extra reference to offset xen_netbk_idx_release */ + /* Take an extra reference to offset xenvif_idx_release */ get_page(vif->mmap_pages[pending_idx]); - xen_netbk_idx_release(vif, pending_idx, XEN_NETIF_RSP_OKAY); + xenvif_idx_release(vif, pending_idx, XEN_NETIF_RSP_OKAY); } } -static int xen_netbk_get_extras(struct xenvif *vif, +static int xenvif_get_extras(struct xenvif *vif, struct xen_netif_extra_info *extras, int work_to_do) { @@ -1034,7 +1035,7 @@ static int xen_netbk_get_extras(struct xenvif *vif, do { if (unlikely(work_to_do-- <= 0)) { netdev_err(vif->dev, "Missing extra info\n"); - netbk_fatal_tx_err(vif); + xenvif_fatal_tx_err(vif); return -EBADR; } @@ -1045,7 +1046,7 @@ static int xen_netbk_get_extras(struct xenvif *vif, vif->tx.req_cons = ++cons; netdev_err(vif->dev, "Invalid extra type: %d\n", extra.type); - netbk_fatal_tx_err(vif); + xenvif_fatal_tx_err(vif); return -EINVAL; } @@ -1056,20 +1057,20 @@ static int xen_netbk_get_extras(struct xenvif *vif, return work_to_do; } -static int netbk_set_skb_gso(struct xenvif *vif, - struct sk_buff *skb, - struct xen_netif_extra_info *gso) +static int xenvif_set_skb_gso(struct xenvif *vif, + struct sk_buff *skb, + struct xen_netif_extra_info *gso) { if (!gso->u.gso.size) { netdev_err(vif->dev, "GSO size must not be zero.\n"); - netbk_fatal_tx_err(vif); + xenvif_fatal_tx_err(vif); return -EINVAL; } /* Currently only TCPv4 S.O. is supported. */ if (gso->u.gso.type != XEN_NETIF_GSO_TYPE_TCPV4) { netdev_err(vif->dev, "Bad GSO type %d.\n", gso->u.gso.type); - netbk_fatal_tx_err(vif); + xenvif_fatal_tx_err(vif); return -EINVAL; } @@ -1180,7 +1181,7 @@ static bool tx_credit_exceeded(struct xenvif *vif, unsigned size) return false; } -static unsigned xen_netbk_tx_build_gops(struct xenvif *vif) +static unsigned xenvif_tx_build_gops(struct xenvif *vif) { struct gnttab_copy *gop = vif->tx_copy_ops, *request_gop; struct sk_buff *skb; @@ -1205,7 +1206,7 @@ static unsigned xen_netbk_tx_build_gops(struct xenvif *vif) "req_prod %d, req_cons %d, size %ld\n", vif->tx.sring->req_prod, vif->tx.req_cons, XEN_NETIF_TX_RING_SIZE); - netbk_fatal_tx_err(vif); + xenvif_fatal_tx_err(vif); continue; } @@ -1229,14 +1230,14 @@ static unsigned xen_netbk_tx_build_gops(struct xenvif *vif) memset(extras, 0, sizeof(extras)); if (txreq.flags & XEN_NETTXF_extra_info) { - work_to_do = xen_netbk_get_extras(vif, extras, - work_to_do); + work_to_do = xenvif_get_extras(vif, extras, + work_to_do); idx = vif->tx.req_cons; if (unlikely(work_to_do < 0)) break; } - ret = netbk_count_requests(vif, &txreq, txfrags, work_to_do); + ret = xenvif_count_requests(vif, &txreq, txfrags, work_to_do); if (unlikely(ret < 0)) break; @@ -1245,7 +1246,7 @@ static unsigned xen_netbk_tx_build_gops(struct xenvif *vif) if (unlikely(txreq.size < ETH_HLEN)) { netdev_dbg(vif->dev, "Bad packet size: %d\n", txreq.size); - netbk_tx_err(vif, &txreq, idx); + xenvif_tx_err(vif, &txreq, idx); break; } @@ -1255,7 +1256,7 @@ static unsigned xen_netbk_tx_build_gops(struct xenvif *vif) "txreq.offset: %x, size: %u, end: %lu\n", txreq.offset, txreq.size, (txreq.offset&~PAGE_MASK) + txreq.size); - netbk_fatal_tx_err(vif); + xenvif_fatal_tx_err(vif); break; } @@ -1271,7 +1272,7 @@ static unsigned xen_netbk_tx_build_gops(struct xenvif *vif) if (unlikely(skb == NULL)) { netdev_dbg(vif->dev, "Can't allocate a skb in start_xmit.\n"); - netbk_tx_err(vif, &txreq, idx); + xenvif_tx_err(vif, &txreq, idx); break; } @@ -1282,18 +1283,18 @@ static unsigned xen_netbk_tx_build_gops(struct xenvif *vif) struct xen_netif_extra_info *gso; gso = &extras[XEN_NETIF_EXTRA_TYPE_GSO - 1]; - if (netbk_set_skb_gso(vif, skb, gso)) { - /* Failure in netbk_set_skb_gso is fatal. */ + if (xenvif_set_skb_gso(vif, skb, gso)) { + /* Failure in xenvif_set_skb_gso is fatal. */ kfree_skb(skb); break; } } /* XXX could copy straight to head */ - page = xen_netbk_alloc_page(vif, pending_idx); + page = xenvif_alloc_page(vif, pending_idx); if (!page) { kfree_skb(skb); - netbk_tx_err(vif, &txreq, idx); + xenvif_tx_err(vif, &txreq, idx); break; } @@ -1329,10 +1330,10 @@ static unsigned xen_netbk_tx_build_gops(struct xenvif *vif) vif->pending_cons++; - request_gop = xen_netbk_get_requests(vif, skb, txfrags, gop); + request_gop = xenvif_get_requests(vif, skb, txfrags, gop); if (request_gop == NULL) { kfree_skb(skb); - netbk_tx_err(vif, &txreq, idx); + xenvif_tx_err(vif, &txreq, idx); break; } gop = request_gop; @@ -1349,7 +1350,7 @@ static unsigned xen_netbk_tx_build_gops(struct xenvif *vif) } -static int xen_netbk_tx_submit(struct xenvif *vif, int budget) +static int xenvif_tx_submit(struct xenvif *vif, int budget) { struct gnttab_copy *gop = vif->tx_copy_ops; struct sk_buff *skb; @@ -1365,7 +1366,7 @@ static int xen_netbk_tx_submit(struct xenvif *vif, int budget) txp = &vif->pending_tx_info[pending_idx].req; /* Check the remap error code. */ - if (unlikely(xen_netbk_tx_check_gop(vif, skb, &gop))) { + if (unlikely(xenvif_tx_check_gop(vif, skb, &gop))) { netdev_dbg(vif->dev, "netback grant failed.\n"); skb_shinfo(skb)->nr_frags = 0; kfree_skb(skb); @@ -1382,8 +1383,8 @@ static int xen_netbk_tx_submit(struct xenvif *vif, int budget) txp->size -= data_len; } else { /* Schedule a response immediately. */ - xen_netbk_idx_release(vif, pending_idx, - XEN_NETIF_RSP_OKAY); + xenvif_idx_release(vif, pending_idx, + XEN_NETIF_RSP_OKAY); } if (txp->flags & XEN_NETTXF_csum_blank) @@ -1391,7 +1392,7 @@ static int xen_netbk_tx_submit(struct xenvif *vif, int budget) else if (txp->flags & XEN_NETTXF_data_validated) skb->ip_summed = CHECKSUM_UNNECESSARY; - xen_netbk_fill_frags(vif, skb); + xenvif_fill_frags(vif, skb); /* * If the initial fragment was < PKT_PROT_LEN then @@ -1428,7 +1429,7 @@ static int xen_netbk_tx_submit(struct xenvif *vif, int budget) } /* Called after netfront has transmitted */ -int xen_netbk_tx_action(struct xenvif *vif, int budget) +int xenvif_tx_action(struct xenvif *vif, int budget) { unsigned nr_gops; int work_done; @@ -1436,20 +1437,20 @@ int xen_netbk_tx_action(struct xenvif *vif, int budget) if (unlikely(!tx_work_todo(vif))) return 0; - nr_gops = xen_netbk_tx_build_gops(vif); + nr_gops = xenvif_tx_build_gops(vif); if (nr_gops == 0) return 0; gnttab_batch_copy(vif->tx_copy_ops, nr_gops); - work_done = xen_netbk_tx_submit(vif, nr_gops); + work_done = xenvif_tx_submit(vif, nr_gops); return work_done; } -static void xen_netbk_idx_release(struct xenvif *vif, u16 pending_idx, - u8 status) +static void xenvif_idx_release(struct xenvif *vif, u16 pending_idx, + u8 status) { struct pending_tx_info *pending_tx_info; pending_ring_idx_t head; @@ -1554,7 +1555,7 @@ static inline int tx_work_todo(struct xenvif *vif) return 0; } -void xen_netbk_unmap_frontend_rings(struct xenvif *vif) +void xenvif_unmap_frontend_rings(struct xenvif *vif) { if (vif->tx.sring) xenbus_unmap_ring_vfree(xenvif_to_xenbus_device(vif), @@ -1564,9 +1565,9 @@ void xen_netbk_unmap_frontend_rings(struct xenvif *vif) vif->rx.sring); } -int xen_netbk_map_frontend_rings(struct xenvif *vif, - grant_ref_t tx_ring_ref, - grant_ref_t rx_ring_ref) +int xenvif_map_frontend_rings(struct xenvif *vif, + grant_ref_t tx_ring_ref, + grant_ref_t rx_ring_ref) { void *addr; struct xen_netif_tx_sring *txs; @@ -1595,11 +1596,11 @@ int xen_netbk_map_frontend_rings(struct xenvif *vif, return 0; err: - xen_netbk_unmap_frontend_rings(vif); + xenvif_unmap_frontend_rings(vif); return err; } -int xen_netbk_kthread(void *data) +int xenvif_kthread(void *data) { struct xenvif *vif = data; @@ -1611,7 +1612,7 @@ int xen_netbk_kthread(void *data) break; if (rx_work_todo(vif)) - xen_netbk_rx_action(vif); + xenvif_rx_action(vif); cond_resched(); } |