From ef3d0c4a5e8c7ad3429b9f9ef66cf5a7563cd513 Mon Sep 17 00:00:00 2001 From: Tatyana Nikolova Date: Thu, 20 Sep 2012 19:23:14 +0000 Subject: [PATCH] RDMA/nes: Fix incorrect resolving of the loopback MAC address Signed-off-by: Tatyana Nikolova Signed-off-by: Roland Dreier --- drivers/infiniband/hw/nes/nes_cm.c | 32 +++++++----------------------- 1 file changed, 7 insertions(+), 25 deletions(-) diff --git a/drivers/infiniband/hw/nes/nes_cm.c b/drivers/infiniband/hw/nes/nes_cm.c index 020e95c4c4b9..49a9383137db 100644 --- a/drivers/infiniband/hw/nes/nes_cm.c +++ b/drivers/infiniband/hw/nes/nes_cm.c @@ -1356,7 +1356,7 @@ static int nes_addr_resolve_neigh(struct nes_vnic *nesvnic, u32 dst_ip, int arpi else netdev = nesvnic->netdev; - neigh = dst_neigh_lookup(&rt->dst, &dst_ip); + neigh = neigh_lookup(&arp_tbl, &rt->rt_gateway, netdev); rcu_read_lock(); if (neigh) { @@ -1465,12 +1465,8 @@ static struct nes_cm_node *make_cm_node(struct nes_cm_core *cm_core, cm_node->loopbackpartner = NULL; /* get the mac addr for the remote node */ - if (ipv4_is_loopback(htonl(cm_node->rem_addr))) { - arpindex = nes_arp_table(nesdev, ntohl(nesvnic->local_ipaddr), NULL, NES_ARP_RESOLVE); - } else { - oldarpindex = nes_arp_table(nesdev, cm_node->rem_addr, NULL, NES_ARP_RESOLVE); - arpindex = nes_addr_resolve_neigh(nesvnic, cm_info->rem_addr, oldarpindex); - } + oldarpindex = nes_arp_table(nesdev, cm_node->rem_addr, NULL, NES_ARP_RESOLVE); + arpindex = nes_addr_resolve_neigh(nesvnic, cm_info->rem_addr, oldarpindex); if (arpindex < 0) { kfree(cm_node); return NULL; @@ -3153,11 +3149,7 @@ int nes_accept(struct iw_cm_id *cm_id, struct iw_cm_conn_param *conn_param) nesqp->nesqp_context->tcpPorts[1] = cpu_to_le16(ntohs(cm_id->remote_addr.sin_port)); - if (ipv4_is_loopback(cm_id->remote_addr.sin_addr.s_addr)) - nesqp->nesqp_context->ip0 = - cpu_to_le32(ntohl(nesvnic->local_ipaddr)); - else - nesqp->nesqp_context->ip0 = + nesqp->nesqp_context->ip0 = cpu_to_le32(ntohl(cm_id->remote_addr.sin_addr.s_addr)); nesqp->nesqp_context->misc2 |= cpu_to_le32( @@ -3182,10 +3174,7 @@ int nes_accept(struct iw_cm_id *cm_id, struct iw_cm_conn_param *conn_param) memset(&nes_quad, 0, sizeof(nes_quad)); nes_quad.DstIpAdrIndex = cpu_to_le32((u32)PCI_FUNC(nesdev->pcidev->devfn) << 24); - if (ipv4_is_loopback(cm_id->remote_addr.sin_addr.s_addr)) - nes_quad.SrcIpadr = nesvnic->local_ipaddr; - else - nes_quad.SrcIpadr = cm_id->remote_addr.sin_addr.s_addr; + nes_quad.SrcIpadr = cm_id->remote_addr.sin_addr.s_addr; nes_quad.TcpPorts[0] = cm_id->remote_addr.sin_port; nes_quad.TcpPorts[1] = cm_id->local_addr.sin_port; @@ -3538,11 +3527,7 @@ static void cm_event_connected(struct nes_cm_event *event) cpu_to_le16(ntohs(cm_id->local_addr.sin_port)); nesqp->nesqp_context->tcpPorts[1] = cpu_to_le16(ntohs(cm_id->remote_addr.sin_port)); - if (ipv4_is_loopback(cm_id->remote_addr.sin_addr.s_addr)) - nesqp->nesqp_context->ip0 = - cpu_to_le32(ntohl(nesvnic->local_ipaddr)); - else - nesqp->nesqp_context->ip0 = + nesqp->nesqp_context->ip0 = cpu_to_le32(ntohl(cm_id->remote_addr.sin_addr.s_addr)); nesqp->nesqp_context->misc2 |= cpu_to_le32( @@ -3571,10 +3556,7 @@ static void cm_event_connected(struct nes_cm_event *event) nes_quad.DstIpAdrIndex = cpu_to_le32((u32)PCI_FUNC(nesdev->pcidev->devfn) << 24); - if (ipv4_is_loopback(cm_id->remote_addr.sin_addr.s_addr)) - nes_quad.SrcIpadr = nesvnic->local_ipaddr; - else - nes_quad.SrcIpadr = cm_id->remote_addr.sin_addr.s_addr; + nes_quad.SrcIpadr = cm_id->remote_addr.sin_addr.s_addr; nes_quad.TcpPorts[0] = cm_id->remote_addr.sin_port; nes_quad.TcpPorts[1] = cm_id->local_addr.sin_port; -- 2.20.1