diff options
| author | Chien Tung <ctung@neteffect.com> | 2008-03-20 19:55:30 -0500 |
|---|---|---|
| committer | Roland Dreier <rolandd@cisco.com> | 2008-03-21 13:59:28 -0700 |
| commit | f2b2b59b93082d02ee5ec8fda4ed94f498551a47 (patch) | |
| tree | de2f5566fc128dccdfe958f4b9b401989e820dfa /drivers/infiniband/hw/nes/nes_cm.c | |
| parent | dba92d3bc49c036056a48661d2d8fefe4c78375a (diff) | |
RDMA/nes: Fix MSS calculation on RDMA path
Fix the calculation of the MSS for RDMA connections: we need to
allow space in frames for a VLAN tag too.
Signed-off-by: Chien Tung <ctung@neteffect.com>
Signed-off-by: Glenn Streiff <gstreiff@neteffect.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
Diffstat (limited to 'drivers/infiniband/hw/nes/nes_cm.c')
| -rw-r--r-- | drivers/infiniband/hw/nes/nes_cm.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/infiniband/hw/nes/nes_cm.c b/drivers/infiniband/hw/nes/nes_cm.c index 39adb267fb1..0bef878e0f6 100644 --- a/drivers/infiniband/hw/nes/nes_cm.c +++ b/drivers/infiniband/hw/nes/nes_cm.c @@ -40,6 +40,7 @@ #include <linux/tcp.h> #include <linux/init.h> #include <linux/if_arp.h> +#include <linux/if_vlan.h> #include <linux/notifier.h> #include <linux/net.h> #include <linux/types.h> @@ -1072,7 +1073,7 @@ static struct nes_cm_node *make_cm_node(struct nes_cm_core *cm_core, ts = current_kernel_time(); cm_node->tcp_cntxt.loc_seq_num = htonl(ts.tv_nsec); cm_node->tcp_cntxt.mss = nesvnic->max_frame_size - sizeof(struct iphdr) - - sizeof(struct tcphdr) - ETH_HLEN; + sizeof(struct tcphdr) - ETH_HLEN - VLAN_HLEN; cm_node->tcp_cntxt.rcv_nxt = 0; /* get a unique session ID , add thread_id to an upcounter to handle race */ atomic_inc(&cm_core->node_cnt); |