Gitweb:     
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=3d7dbeac58d0669c37e35a3b91bb41c0146395ce
Commit:     3d7dbeac58d0669c37e35a3b91bb41c0146395ce
Parent:     606f585e363527da9feaed79465132c0c661fd9e
Author:     David S. Miller <[EMAIL PROTECTED]>
AuthorDate: Tue Jun 12 14:36:42 2007 -0700
Committer:  David S. Miller <[EMAIL PROTECTED]>
CommitDate: Tue Jun 12 14:36:42 2007 -0700

    [TCP]: Disable TSO if MD5SIG is enabled.
    
    Signed-off-by: David S. Miller <[EMAIL PROTECTED]>
---
 net/ipv4/tcp_ipv4.c |    3 ++-
 net/ipv6/tcp_ipv6.c |    2 ++
 2 files changed, 4 insertions(+), 1 deletions(-)

diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index 97e294e..354721d 100644
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -878,6 +878,7 @@ int tcp_v4_md5_do_add(struct sock *sk, __be32 addr,
                                kfree(newkey);
                                return -ENOMEM;
                        }
+                       sk->sk_route_caps &= ~NETIF_F_GSO_MASK;
                }
                if (tcp_alloc_md5sig_pool() == NULL) {
                        kfree(newkey);
@@ -1007,7 +1008,7 @@ static int tcp_v4_parse_md5_keys(struct sock *sk, char 
__user *optval,
                        return -EINVAL;
 
                tp->md5sig_info = p;
-
+               sk->sk_route_caps &= ~NETIF_F_GSO_MASK;
        }
 
        newkey = kmemdup(cmd.tcpm_key, cmd.tcpm_keylen, GFP_KERNEL);
diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c
index 4f06a51..193d9d6 100644
--- a/net/ipv6/tcp_ipv6.c
+++ b/net/ipv6/tcp_ipv6.c
@@ -590,6 +590,7 @@ static int tcp_v6_md5_do_add(struct sock *sk, struct 
in6_addr *peer,
                                kfree(newkey);
                                return -ENOMEM;
                        }
+                       sk->sk_route_caps &= ~NETIF_F_GSO_MASK;
                }
                tcp_alloc_md5sig_pool();
                if (tp->md5sig_info->alloced6 == tp->md5sig_info->entries6) {
@@ -724,6 +725,7 @@ static int tcp_v6_parse_md5_keys (struct sock *sk, char 
__user *optval,
                        return -ENOMEM;
 
                tp->md5sig_info = p;
+               sk->sk_route_caps &= ~NETIF_F_GSO_MASK;
        }
 
        newkey = kmemdup(cmd.tcpm_key, cmd.tcpm_keylen, GFP_KERNEL);
-
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