Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
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>
authored by Chien Tung and committed by Roland Dreier f2b2b59b dba92d3b
+2
-1
drivers/infiniband/hw/nes/nes_cm.c
+2
-1
drivers/infiniband/hw/nes/nes_cm.c
···
40
#include <linux/tcp.h>
41
#include <linux/init.h>
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#include <linux/if_arp.h>
43
#include <linux/notifier.h>
44
#include <linux/net.h>
45
#include <linux/types.h>
···
1073
ts = current_kernel_time();
1074
cm_node->tcp_cntxt.loc_seq_num = htonl(ts.tv_nsec);
1075
cm_node->tcp_cntxt.mss = nesvnic->max_frame_size - sizeof(struct iphdr) -
1076
-
sizeof(struct tcphdr) - ETH_HLEN;
1077
cm_node->tcp_cntxt.rcv_nxt = 0;
1078
/* get a unique session ID , add thread_id to an upcounter to handle race */
1079
atomic_inc(&cm_core->node_cnt);
···
40
#include <linux/tcp.h>
41
#include <linux/init.h>
42
#include <linux/if_arp.h>
43
+
#include <linux/if_vlan.h>
44
#include <linux/notifier.h>
45
#include <linux/net.h>
46
#include <linux/types.h>
···
1072
ts = current_kernel_time();
1073
cm_node->tcp_cntxt.loc_seq_num = htonl(ts.tv_nsec);
1074
cm_node->tcp_cntxt.mss = nesvnic->max_frame_size - sizeof(struct iphdr) -
1075
+
sizeof(struct tcphdr) - ETH_HLEN - VLAN_HLEN;
1076
cm_node->tcp_cntxt.rcv_nxt = 0;
1077
/* get a unique session ID , add thread_id to an upcounter to handle race */
1078
atomic_inc(&cm_core->node_cnt);