From ce73e10ee0cb6cde1c5075a2803da0f0eb5b2324 Mon Sep 17 00:00:00 2001 From: Klaus-Dieter Wacker Date: Wed, 26 Aug 2009 02:01:08 +0000 Subject: qeth: Cleanup for cast-type determination. Clear separation of cast-type determination (send path) for layer-2 resp. layer-3. Allowing to have inline functions for qeth layer- discipline. Signed-off-by: Klaus-Dieter Wacker Signed-off-by: David S. Miller --- drivers/s390/net/qeth_core.h | 1 - drivers/s390/net/qeth_core_main.c | 49 --------------------------------------- drivers/s390/net/qeth_l2_main.c | 42 +++++++++------------------------ drivers/s390/net/qeth_l3_main.c | 47 ++++++++++++++++++++++++++++++++++++- 4 files changed, 57 insertions(+), 82 deletions(-) (limited to 'drivers/s390') diff --git a/drivers/s390/net/qeth_core.h b/drivers/s390/net/qeth_core.h index 03161e650b2..31a2b4e502c 100644 --- a/drivers/s390/net/qeth_core.h +++ b/drivers/s390/net/qeth_core.h @@ -843,7 +843,6 @@ int qeth_default_setadapterparms_cb(struct qeth_card *, struct qeth_reply *, int qeth_send_control_data(struct qeth_card *, int, struct qeth_cmd_buffer *, int (*reply_cb)(struct qeth_card *, struct qeth_reply*, unsigned long), void *reply_param); -int qeth_get_cast_type(struct qeth_card *, struct sk_buff *); int qeth_get_priority_queue(struct qeth_card *, struct sk_buff *, int, int); int qeth_get_elements_no(struct qeth_card *, void *, struct sk_buff *, int); int qeth_do_send_packet_fast(struct qeth_card *, struct qeth_qdio_out_q *, diff --git a/drivers/s390/net/qeth_core_main.c b/drivers/s390/net/qeth_core_main.c index ac7270d2170..1560bb621a3 100644 --- a/drivers/s390/net/qeth_core_main.c +++ b/drivers/s390/net/qeth_core_main.c @@ -2952,55 +2952,6 @@ void qeth_qdio_output_handler(struct ccw_device *ccwdev, } EXPORT_SYMBOL_GPL(qeth_qdio_output_handler); -int qeth_get_cast_type(struct qeth_card *card, struct sk_buff *skb) -{ - int cast_type = RTN_UNSPEC; - - if (card->info.type == QETH_CARD_TYPE_OSN) - return cast_type; - - if (skb_dst(skb) && skb_dst(skb)->neighbour) { - cast_type = skb_dst(skb)->neighbour->type; - if ((cast_type == RTN_BROADCAST) || - (cast_type == RTN_MULTICAST) || - (cast_type == RTN_ANYCAST)) - return cast_type; - else - return RTN_UNSPEC; - } - /* try something else */ - if (skb->protocol == ETH_P_IPV6) - return (skb_network_header(skb)[24] == 0xff) ? - RTN_MULTICAST : 0; - else if (skb->protocol == ETH_P_IP) - return ((skb_network_header(skb)[16] & 0xf0) == 0xe0) ? - RTN_MULTICAST : 0; - /* ... */ - if (!memcmp(skb->data, skb->dev->broadcast, 6)) - return RTN_BROADCAST; - else { - u16 hdr_mac; - - hdr_mac = *((u16 *)skb->data); - /* tr multicast? */ - switch (card->info.link_type) { - case QETH_LINK_TYPE_HSTR: - case QETH_LINK_TYPE_LANE_TR: - if ((hdr_mac == QETH_TR_MAC_NC) || - (hdr_mac == QETH_TR_MAC_C)) - return RTN_MULTICAST; - break; - /* eth or so multicast? */ - default: - if ((hdr_mac == QETH_ETH_MAC_V4) || - (hdr_mac == QETH_ETH_MAC_V6)) - return RTN_MULTICAST; - } - } - return cast_type; -} -EXPORT_SYMBOL_GPL(qeth_get_cast_type); - int qeth_get_priority_queue(struct qeth_card *card, struct sk_buff *skb, int ipv, int cast_type) { diff --git a/drivers/s390/net/qeth_l2_main.c b/drivers/s390/net/qeth_l2_main.c index 2cfc338c462..12ee7a35ca5 100644 --- a/drivers/s390/net/qeth_l2_main.c +++ b/drivers/s390/net/qeth_l2_main.c @@ -216,36 +216,16 @@ static void qeth_l2_del_all_mc(struct qeth_card *card) spin_unlock_bh(&card->mclock); } -static void qeth_l2_get_packet_type(struct qeth_card *card, - struct qeth_hdr *hdr, struct sk_buff *skb) +static inline int qeth_l2_get_cast_type(struct qeth_card *card, + struct sk_buff *skb) { - __u16 hdr_mac; - - if (!memcmp(skb->data + QETH_HEADER_SIZE, - skb->dev->broadcast, 6)) { - /* broadcast? */ - hdr->hdr.l2.flags[2] |= QETH_LAYER2_FLAG_BROADCAST; - return; - } - hdr_mac = *((__u16 *)skb->data); - /* tr multicast? */ - switch (card->info.link_type) { - case QETH_LINK_TYPE_HSTR: - case QETH_LINK_TYPE_LANE_TR: - if ((hdr_mac == QETH_TR_MAC_NC) || - (hdr_mac == QETH_TR_MAC_C)) - hdr->hdr.l2.flags[2] |= QETH_LAYER2_FLAG_MULTICAST; - else - hdr->hdr.l2.flags[2] |= QETH_LAYER2_FLAG_UNICAST; - break; - /* eth or so multicast? */ - default: - if ((hdr_mac == QETH_ETH_MAC_V4) || - (hdr_mac == QETH_ETH_MAC_V6)) - hdr->hdr.l2.flags[2] |= QETH_LAYER2_FLAG_MULTICAST; - else - hdr->hdr.l2.flags[2] |= QETH_LAYER2_FLAG_UNICAST; - } + if (card->info.type == QETH_CARD_TYPE_OSN) + return RTN_UNSPEC; + if (is_broadcast_ether_addr(skb->data)) + return RTN_BROADCAST; + if (is_multicast_ether_addr(skb->data)) + return RTN_MULTICAST; + return RTN_UNSPEC; } static void qeth_l2_fill_header(struct qeth_card *card, struct qeth_hdr *hdr, @@ -262,7 +242,7 @@ static void qeth_l2_fill_header(struct qeth_card *card, struct qeth_hdr *hdr, else if (cast_type == RTN_BROADCAST) hdr->hdr.l2.flags[2] |= QETH_LAYER2_FLAG_BROADCAST; else - qeth_l2_get_packet_type(card, hdr, skb); + hdr->hdr.l2.flags[2] |= QETH_LAYER2_FLAG_UNICAST; hdr->hdr.l2.pkt_length = skb->len-QETH_HEADER_SIZE; /* VSWITCH relies on the VLAN @@ -672,7 +652,7 @@ static int qeth_l2_hard_start_xmit(struct sk_buff *skb, struct net_device *dev) struct qeth_card *card = dev->ml_priv; struct sk_buff *new_skb = skb; int ipv = qeth_get_ip_version(skb); - int cast_type = qeth_get_cast_type(card, skb); + int cast_type = qeth_l2_get_cast_type(card, skb); struct qeth_qdio_out_q *queue = card->qdio.out_qs [qeth_get_priority_queue(card, skb, ipv, cast_type)]; int tx_bytes = skb->len; diff --git a/drivers/s390/net/qeth_l3_main.c b/drivers/s390/net/qeth_l3_main.c index 77e04b7fad1..d9fabe30c0d 100644 --- a/drivers/s390/net/qeth_l3_main.c +++ b/drivers/s390/net/qeth_l3_main.c @@ -2525,6 +2525,51 @@ static int qeth_l3_do_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) return rc; } +int inline qeth_l3_get_cast_type(struct qeth_card *card, struct sk_buff *skb) +{ + int cast_type = RTN_UNSPEC; + + if (skb_dst(skb) && skb_dst(skb)->neighbour) { + cast_type = skb_dst(skb)->neighbour->type; + if ((cast_type == RTN_BROADCAST) || + (cast_type == RTN_MULTICAST) || + (cast_type == RTN_ANYCAST)) + return cast_type; + else + return RTN_UNSPEC; + } + /* try something else */ + if (skb->protocol == ETH_P_IPV6) + return (skb_network_header(skb)[24] == 0xff) ? + RTN_MULTICAST : 0; + else if (skb->protocol == ETH_P_IP) + return ((skb_network_header(skb)[16] & 0xf0) == 0xe0) ? + RTN_MULTICAST : 0; + /* ... */ + if (!memcmp(skb->data, skb->dev->broadcast, 6)) + return RTN_BROADCAST; + else { + u16 hdr_mac; + + hdr_mac = *((u16 *)skb->data); + /* tr multicast? */ + switch (card->info.link_type) { + case QETH_LINK_TYPE_HSTR: + case QETH_LINK_TYPE_LANE_TR: + if ((hdr_mac == QETH_TR_MAC_NC) || + (hdr_mac == QETH_TR_MAC_C)) + return RTN_MULTICAST; + break; + /* eth or so multicast? */ + default: + if ((hdr_mac == QETH_ETH_MAC_V4) || + (hdr_mac == QETH_ETH_MAC_V6)) + return RTN_MULTICAST; + } + } + return cast_type; +} + static void qeth_l3_fill_header(struct qeth_card *card, struct qeth_hdr *hdr, struct sk_buff *skb, int ipv, int cast_type) { @@ -2650,7 +2695,7 @@ static int qeth_l3_hard_start_xmit(struct sk_buff *skb, struct net_device *dev) struct qeth_card *card = dev->ml_priv; struct sk_buff *new_skb = NULL; int ipv = qeth_get_ip_version(skb); - int cast_type = qeth_get_cast_type(card, skb); + int cast_type = qeth_l3_get_cast_type(card, skb); struct qeth_qdio_out_q *queue = card->qdio.out_qs [qeth_get_priority_queue(card, skb, ipv, cast_type)]; int tx_bytes = skb->len; -- cgit v1.2.3-70-g09d2