diff options
Diffstat (limited to 'net/ipv4')
-rw-r--r-- | net/ipv4/Kconfig | 2 | ||||
-rw-r--r-- | net/ipv4/ipconfig.c | 12 | ||||
-rw-r--r-- | net/ipv4/tcp.c | 5 |
3 files changed, 17 insertions, 2 deletions
diff --git a/net/ipv4/Kconfig b/net/ipv4/Kconfig index b2cf91e4ccaa..9d26a3da37e5 100644 --- a/net/ipv4/Kconfig +++ b/net/ipv4/Kconfig | |||
@@ -407,7 +407,7 @@ config INET_XFRM_MODE_BEET | |||
407 | If unsure, say Y. | 407 | If unsure, say Y. |
408 | 408 | ||
409 | config INET_LRO | 409 | config INET_LRO |
410 | tristate "Large Receive Offload (ipv4/tcp)" | 410 | bool "Large Receive Offload (ipv4/tcp)" |
411 | 411 | ||
412 | ---help--- | 412 | ---help--- |
413 | Support for Large Receive Offload (ipv4/tcp). | 413 | Support for Large Receive Offload (ipv4/tcp). |
diff --git a/net/ipv4/ipconfig.c b/net/ipv4/ipconfig.c index 90d22ae0a419..88bf051d0cbb 100644 --- a/net/ipv4/ipconfig.c +++ b/net/ipv4/ipconfig.c | |||
@@ -139,6 +139,8 @@ __be32 ic_servaddr = NONE; /* Boot server IP address */ | |||
139 | __be32 root_server_addr = NONE; /* Address of NFS server */ | 139 | __be32 root_server_addr = NONE; /* Address of NFS server */ |
140 | u8 root_server_path[256] = { 0, }; /* Path to mount as root */ | 140 | u8 root_server_path[256] = { 0, }; /* Path to mount as root */ |
141 | 141 | ||
142 | u32 ic_dev_xid; /* Device under configuration */ | ||
143 | |||
142 | /* vendor class identifier */ | 144 | /* vendor class identifier */ |
143 | static char vendor_class_identifier[253] __initdata; | 145 | static char vendor_class_identifier[253] __initdata; |
144 | 146 | ||
@@ -932,6 +934,13 @@ static int __init ic_bootp_recv(struct sk_buff *skb, struct net_device *dev, str | |||
932 | goto drop_unlock; | 934 | goto drop_unlock; |
933 | } | 935 | } |
934 | 936 | ||
937 | /* Is it a reply for the device we are configuring? */ | ||
938 | if (b->xid != ic_dev_xid) { | ||
939 | if (net_ratelimit()) | ||
940 | printk(KERN_ERR "DHCP/BOOTP: Ignoring delayed packet \n"); | ||
941 | goto drop_unlock; | ||
942 | } | ||
943 | |||
935 | /* Parse extensions */ | 944 | /* Parse extensions */ |
936 | if (ext_len >= 4 && | 945 | if (ext_len >= 4 && |
937 | !memcmp(b->exten, ic_bootp_cookie, 4)) { /* Check magic cookie */ | 946 | !memcmp(b->exten, ic_bootp_cookie, 4)) { /* Check magic cookie */ |
@@ -1115,6 +1124,9 @@ static int __init ic_dynamic(void) | |||
1115 | get_random_bytes(&timeout, sizeof(timeout)); | 1124 | get_random_bytes(&timeout, sizeof(timeout)); |
1116 | timeout = CONF_BASE_TIMEOUT + (timeout % (unsigned) CONF_TIMEOUT_RANDOM); | 1125 | timeout = CONF_BASE_TIMEOUT + (timeout % (unsigned) CONF_TIMEOUT_RANDOM); |
1117 | for (;;) { | 1126 | for (;;) { |
1127 | /* Track the device we are configuring */ | ||
1128 | ic_dev_xid = d->xid; | ||
1129 | |||
1118 | #ifdef IPCONFIG_BOOTP | 1130 | #ifdef IPCONFIG_BOOTP |
1119 | if (do_bootp && (d->able & IC_BOOTP)) | 1131 | if (do_bootp && (d->able & IC_BOOTP)) |
1120 | ic_bootp_send_if(d, jiffies - start_jiffies); | 1132 | ic_bootp_send_if(d, jiffies - start_jiffies); |
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c index 1d7f49c6f0ca..7a0f0b27bf1f 100644 --- a/net/ipv4/tcp.c +++ b/net/ipv4/tcp.c | |||
@@ -1321,6 +1321,7 @@ int tcp_recvmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg, | |||
1321 | struct task_struct *user_recv = NULL; | 1321 | struct task_struct *user_recv = NULL; |
1322 | int copied_early = 0; | 1322 | int copied_early = 0; |
1323 | struct sk_buff *skb; | 1323 | struct sk_buff *skb; |
1324 | u32 urg_hole = 0; | ||
1324 | 1325 | ||
1325 | lock_sock(sk); | 1326 | lock_sock(sk); |
1326 | 1327 | ||
@@ -1532,7 +1533,8 @@ do_prequeue: | |||
1532 | } | 1533 | } |
1533 | } | 1534 | } |
1534 | } | 1535 | } |
1535 | if ((flags & MSG_PEEK) && peek_seq != tp->copied_seq) { | 1536 | if ((flags & MSG_PEEK) && |
1537 | (peek_seq - copied - urg_hole != tp->copied_seq)) { | ||
1536 | if (net_ratelimit()) | 1538 | if (net_ratelimit()) |
1537 | printk(KERN_DEBUG "TCP(%s:%d): Application bug, race in MSG_PEEK.\n", | 1539 | printk(KERN_DEBUG "TCP(%s:%d): Application bug, race in MSG_PEEK.\n", |
1538 | current->comm, task_pid_nr(current)); | 1540 | current->comm, task_pid_nr(current)); |
@@ -1553,6 +1555,7 @@ do_prequeue: | |||
1553 | if (!urg_offset) { | 1555 | if (!urg_offset) { |
1554 | if (!sock_flag(sk, SOCK_URGINLINE)) { | 1556 | if (!sock_flag(sk, SOCK_URGINLINE)) { |
1555 | ++*seq; | 1557 | ++*seq; |
1558 | urg_hole++; | ||
1556 | offset++; | 1559 | offset++; |
1557 | used--; | 1560 | used--; |
1558 | if (!used) | 1561 | if (!used) |