diff options
Diffstat (limited to 'drivers/infiniband/hw/nes/nes_cm.c')
| -rw-r--r-- | drivers/infiniband/hw/nes/nes_cm.c | 52 |
1 files changed, 33 insertions, 19 deletions
diff --git a/drivers/infiniband/hw/nes/nes_cm.c b/drivers/infiniband/hw/nes/nes_cm.c index 9f0b964b2c9..2caf9da81ad 100644 --- a/drivers/infiniband/hw/nes/nes_cm.c +++ b/drivers/infiniband/hw/nes/nes_cm.c @@ -52,7 +52,7 @@ #include <linux/random.h> #include <linux/list.h> #include <linux/threads.h> - +#include <net/arp.h> #include <net/neighbour.h> #include <net/route.h> #include <net/ip_fib.h> @@ -1019,23 +1019,43 @@ static inline int mini_cm_accelerated(struct nes_cm_core *cm_core, /** - * nes_addr_send_arp + * nes_addr_resolve_neigh */ -static void nes_addr_send_arp(u32 dst_ip) +static int nes_addr_resolve_neigh(struct nes_vnic *nesvnic, u32 dst_ip) { struct rtable *rt; struct flowi fl; + struct neighbour *neigh; + int rc = -1; + DECLARE_MAC_BUF(mac); memset(&fl, 0, sizeof fl); fl.nl_u.ip4_u.daddr = htonl(dst_ip); if (ip_route_output_key(&init_net, &rt, &fl)) { printk("%s: ip_route_output_key failed for 0x%08X\n", __func__, dst_ip); - return; + return rc; + } + + neigh = neigh_lookup(&arp_tbl, &rt->rt_gateway, nesvnic->netdev); + if (neigh) { + if (neigh->nud_state & NUD_VALID) { + nes_debug(NES_DBG_CM, "Neighbor MAC address for 0x%08X" + " is %s, Gateway is 0x%08X \n", dst_ip, + print_mac(mac, neigh->ha), ntohl(rt->rt_gateway)); + nes_manage_arp_cache(nesvnic->netdev, neigh->ha, + dst_ip, NES_ARP_ADD); + rc = nes_arp_table(nesvnic->nesdev, dst_ip, NULL, + NES_ARP_RESOLVE); + } + neigh_release(neigh); } - neigh_event_send(rt->u.dst.neighbour, NULL); + if ((neigh == NULL) || (!(neigh->nud_state & NUD_VALID))) + neigh_event_send(rt->u.dst.neighbour, NULL); + ip_rt_put(rt); + return rc; } @@ -1108,9 +1128,11 @@ static struct nes_cm_node *make_cm_node(struct nes_cm_core *cm_core, /* get the mac addr for the remote node */ arpindex = nes_arp_table(nesdev, cm_node->rem_addr, NULL, NES_ARP_RESOLVE); if (arpindex < 0) { - kfree(cm_node); - nes_addr_send_arp(cm_info->rem_addr); - return NULL; + arpindex = nes_addr_resolve_neigh(nesvnic, cm_info->rem_addr); + if (arpindex < 0) { + kfree(cm_node); + return NULL; + } } /* copy the mac addr to node context */ @@ -1826,7 +1848,7 @@ static struct nes_cm_listener *mini_cm_listen(struct nes_cm_core *cm_core, /** * mini_cm_connect - make a connection node with params */ -struct nes_cm_node *mini_cm_connect(struct nes_cm_core *cm_core, +static struct nes_cm_node *mini_cm_connect(struct nes_cm_core *cm_core, struct nes_vnic *nesvnic, u16 private_data_len, void *private_data, struct nes_cm_info *cm_info) { @@ -1956,13 +1978,6 @@ static int mini_cm_reject(struct nes_cm_core *cm_core, return ret; cleanup_retrans_entry(cm_node); cm_node->state = NES_CM_STATE_CLOSED; - ret = send_fin(cm_node, NULL); - - if (cm_node->accept_pend) { - BUG_ON(!cm_node->listener); - atomic_dec(&cm_node->listener->pend_accepts_cnt); - BUG_ON(atomic_read(&cm_node->listener->pend_accepts_cnt) < 0); - } ret = send_reset(cm_node, NULL); return ret; @@ -2014,7 +2029,6 @@ static int mini_cm_close(struct nes_cm_core *cm_core, struct nes_cm_node *cm_nod ret = rem_ref_cm_node(cm_core, cm_node); break; } - cm_node->cm_id = NULL; return ret; } @@ -2383,6 +2397,7 @@ static int nes_cm_disconn_true(struct nes_qp *nesqp) atomic_inc(&cm_disconnects); cm_event.event = IW_CM_EVENT_DISCONNECT; if (last_ae == NES_AEQE_AEID_LLP_CONNECTION_RESET) { + issued_disconnect_reset = 1; cm_event.status = IW_CM_EVENT_STATUS_RESET; nes_debug(NES_DBG_CM, "Generating a CM " "Disconnect Event (status reset) for " @@ -2508,7 +2523,6 @@ static int nes_disconnect(struct nes_qp *nesqp, int abrupt) nes_debug(NES_DBG_CM, "Call close API\n"); g_cm_core->api->close(g_cm_core, nesqp->cm_node); - nesqp->cm_node = NULL; } return ret; @@ -2837,6 +2851,7 @@ int nes_connect(struct iw_cm_id *cm_id, struct iw_cm_conn_param *conn_param) cm_node->apbvt_set = 1; nesqp->cm_node = cm_node; cm_node->nesqp = nesqp; + nes_add_ref(&nesqp->ibqp); return 0; } @@ -3167,7 +3182,6 @@ static void cm_event_connect_error(struct nes_cm_event *event) if (ret) printk(KERN_ERR "%s[%u] OFA CM event_handler returned, " "ret=%d\n", __func__, __LINE__, ret); - nes_rem_ref(&nesqp->ibqp); cm_id->rem_ref(cm_id); rem_ref_cm_node(event->cm_node->cm_core, event->cm_node); |