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linux/include/net
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Herbert Xu fb93134dfc [TCP]: Fix size calculation in sk_stream_alloc_pskb 
We round up the header size in sk_stream_alloc_pskb so that
TSO packets get zero tail room.  Unfortunately this rounding
up is not coordinated with the select_size() function used by
TCP to calculate the second parameter of sk_stream_alloc_pskb.

As a result, we may allocate more than a page of data in the
non-TSO case when exactly one page is desired.

In fact, rounding up the head room is detrimental in the non-TSO
case because it makes memory that would otherwise be available to
the payload head room.  TSO doesn't need this either, all it wants
is the guarantee that there is no tail room.

So this patch fixes this by adjusting the skb_reserve call so that
exactly the requested amount (which all callers have calculated in
a precise way) is made available as tail room.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
2007-11-14 15:45:21 -08:00
..
9p Use helpers to obtain task pid in printks 2007-10-19 11:53:43 -07:00
bluetooth [Bluetooth] Add support for handling simple eSCO links 2007-10-22 02:59:47 -07:00
irda [IRDA]: Make ircomm_tty static. 2007-10-26 03:56:43 -07:00
iucv [AF_IUCV]: postpone receival of iucv-packets 2007-10-10 16:54:51 -07:00
netfilter [INET]: Collect common frag sysctl variables together 2007-10-15 12:26:40 -07:00
sctp SCTP: Clean-up some defines for regressions tests. 2007-11-09 11:43:41 -05:00
tc_act [PKT_SCHED]: Add stateless NAT 2007-10-10 16:53:11 -07:00
tipc [TIPC]: Optimize stream send routine to avoid fragmentation 2007-07-10 22:06:12 -07:00
act_api.h [NET_SCHED]: Kill CONFIG_NET_CLS_POLICE 2007-07-15 00:03:05 -07:00
addrconf.h [IPV6] MIP6: Loadable module support for MIPv6. 2007-07-10 22:15:42 -07:00
af_rxrpc.h [AF_RXRPC]: Add an interface to the AF_RXRPC module for the AFS filesystem to use 2007-04-26 15:50:17 -07:00
af_unix.h [AF_UNIX]: Make unix_tot_inflight counter non-atomic 2007-11-10 22:06:01 -08:00
ah.h [IPSEC]: Get rid of ipv6_{auth,esp,comp}_hdr 2007-10-10 16:55:55 -07:00
arp.h [IPV6]: Assorted trivial endianness annotations. 2006-12-02 21:22:50 -08:00
atmclip.h [ATM]: Annotations. 2006-12-02 21:22:55 -08:00
ax25.h [NET]: Move hardware header operations out of netdevice. 2007-10-10 16:52:52 -07:00
ax88796.h ax88796: add 93cx6 eeprom support 2007-10-10 16:53:56 -07:00
cfg80211.h [NL80211]: add netlink interface to cfg80211 2007-10-10 16:52:14 -07:00
checksum.h [NET]: Make mangling a checksum (0 -> 0xffff on the wire) explicit. 2006-12-02 21:23:39 -08:00
cipso_ipv4.h [NetLabel]: consolidate the struct socket/sock handling to just struct sock 2007-06-08 13:33:09 -07:00
compat.h [NET]: Introduce SIOCGSTAMPNS ioctl to get timestamps with nanosec resolution 2007-04-25 22:24:04 -07:00
datalink.h
dn_dev.h
dn_fib.h [DECNet]: Use rtnl registration interface 2007-04-25 22:27:12 -07:00
dn_neigh.h
dn_nsp.h
dn_route.h [NET]: Wrap netdevice hardware header creation. 2007-10-10 16:52:50 -07:00
dn.h [DECNET]: Another unnecessary net/tcp.h inclusion in net/dn.h 2007-07-10 23:02:12 -07:00
dsfield.h [NET]: IP header modifier helpers annotations. 2006-12-02 21:23:40 -08:00
dst.h [NET]: Make helper to get dst entry and "use" it 2007-11-10 21:28:34 -08:00
esp.h cleanup asm/scatterlist.h includes 2007-11-02 08:47:06 +01:00
fib_rules.h [INET]: Small possible memory leak in FIB rules 2007-11-10 22:12:03 -08:00
flow.h [IPV6] MIP6: Kill unnecessary ifdefs. 2007-07-10 22:15:41 -07:00
gen_stats.h
genetlink.h [GENETLINK]: Dynamic multicast groups. 2007-07-18 15:47:52 -07:00
icmp.h [IPV4]: Add ICMPMsgStats MIB (RFC 4293) 2007-10-10 16:51:28 -07:00
ieee80211_crypt.h [PATCH] Update my email address from jkmaline@cc.hut.fi to j@w1.fi 2007-04-28 11:01:01 -04:00
ieee80211_radiotap.h [MAC80211]: Add get_unaligned to ieee80211_get_radiotap_len 2007-10-10 16:47:40 -07:00
ieee80211.h [NET]: Introduce and use print_mac() and DECLARE_MAC_BUF() 2007-10-10 16:51:42 -07:00
ieee80211softmac_wx.h
ieee80211softmac.h [IEEE80211]: Fix softmac lockdep reports. 2007-10-10 16:52:22 -07:00
if_inet6.h [IPV6]: Add ICMPMsgStats MIB (RFC 4293) [rev 2] 2007-10-10 16:51:27 -07:00
inet6_connection_sock.h [TCP]: Restore SKB socket owner setting in tcp_transmit_skb(). 2007-01-26 01:04:55 -08:00
inet6_hashtables.h [INET]: Use jhash + random secret for ehash. 2007-04-25 22:28:06 -07:00
inet_common.h [INET]: Remove leftover prototypes from include/net/inet_common.h 2007-11-12 21:02:51 -08:00
inet_connection_sock.h [TCP]: Restore SKB socket owner setting in tcp_transmit_skb(). 2007-01-26 01:04:55 -08:00
inet_ecn.h [SK_BUFF]: Convert skb->tail to sk_buff_data_t 2007-04-25 22:26:28 -07:00
inet_frag.h [INET]: Remove no longer needed ->equal callback 2007-10-17 19:47:56 -07:00
inet_hashtables.h [INET]: Add a missing include <linux/vmalloc.h> to inet_hashtables.h 2007-11-10 21:18:39 -08:00
inet_sock.h [UDP]: Make use of inet_iif() when doing socket lookups. 2007-10-25 18:54:46 -07:00
inet_timewait_sock.h [NET]: Add a network namespace parameter to struct sock 2007-10-10 16:49:05 -07:00
inetpeer.h [INET]: Use list_head-s in inetpeer.c 2007-11-12 21:27:28 -08:00
ip6_checksum.h [IPV6]: Dumb typo in generic csum_ipv6_magic() 2006-12-22 11:12:07 -08:00
ip6_fib.h [IPV6] XFRM: Fix connected socket to use transformation. 2007-10-10 16:48:32 -07:00
ip6_route.h [IPv6]: Use rtnl registration interface 2007-04-25 22:27:13 -07:00
ip6_tunnel.h
ip_fib.h [IPV4]: Compact some ifdefs in the fib code. 2007-11-07 04:11:41 -08:00
ip_vs.h [IPVS]: Synchronize closing of Connections 2007-11-07 04:15:10 -08:00
ip.h [INET]: Consolidate the xxx_evictor 2007-10-15 12:26:42 -07:00
ipcomp.h [IPSEC]: Get rid of ipv6_{auth,esp,comp}_hdr 2007-10-10 16:55:55 -07:00
ipconfig.h [NET]: ipconfig and nfsroot annotations 2006-12-02 21:21:09 -08:00
ipip.h [IPV6] net/ipv6/sit.c: make 2 functions static 2006-12-02 21:26:15 -08:00
ipv6.h [INET]: Remove no longer needed ->equal callback 2007-10-17 19:47:56 -07:00
ipx.h [SK_BUFF]: Introduce skb_transport_header(skb) 2007-04-25 22:25:31 -07:00
iw_handler.h [NL80211]: add netlink interface to cfg80211 2007-10-10 16:52:14 -07:00
lapb.h
llc_c_ac.h
llc_c_ev.h
llc_c_st.h
llc_conn.h [NET]: Make socket creation namespace safe. 2007-10-10 16:49:07 -07:00
llc_if.h
llc_pdu.h [SK_BUFF]: Introduce skb_network_header() 2007-04-25 22:24:59 -07:00
llc_s_ac.h
llc_s_ev.h
llc_s_st.h
llc_sap.h
llc.h
mac80211.h mac80211: remove unused driver ops 2007-11-10 22:01:15 -08:00
mip6.h [IPV6] MIP6: Loadable module support for MIPv6. 2007-07-10 22:15:42 -07:00
ndisc.h [IPv6]: Export userland ND options through netlink (RDNSS support) 2007-10-10 21:22:05 -07:00
neighbour.h [NEIGH]: Use rtnl registration interface 2007-04-25 22:27:06 -07:00
net_namespace.h [NET]: Move unneeded data to initdata section. 2007-11-13 03:23:50 -08:00
netdma.h
netevent.h
netlabel.h SELinux: restore proper NetLabel caching behavior 2007-08-02 11:52:21 -04:00
netlink.h [NET]: make netlink user -> kernel interface synchronious 2007-10-10 21:15:29 -07:00
netrom.h [PATCH] mark struct file_operations const 1 2007-02-12 09:48:44 -08:00
nexthop.h
p8022.h
pkt_cls.h [NET]: Make the device list and device lookups per namespace. 2007-10-10 16:49:10 -07:00
pkt_sched.h [NET]: Move hardware header operations out of netdevice. 2007-10-10 16:52:52 -07:00
protocol.h [IPV6]: Replace sk_buff ** with sk_buff * in input handlers 2007-10-15 12:50:28 -07:00
psnap.h
raw.h
rawv6.h [IPV6] MIP6: Loadable module support for MIPv6. 2007-07-10 22:15:42 -07:00
red.h [NET_SCHED]: turn PSCHED_GET_TIME into inline function 2007-04-25 22:27:55 -07:00
request_sock.h [PATCH] slab: remove kmem_cache_t 2006-12-07 08:39:25 -08:00
rose.h [ROSE]: Fix rose.ko oops on unload 2007-10-07 23:44:17 -07:00
route.h [IPV4]: Make ip_tos2prio const. 2007-07-10 22:19:04 -07:00
rtnetlink.h [NET]: Make the device list and device lookups per namespace. 2007-10-10 16:49:10 -07:00
sch_generic.h [NET_CLS_ACT]: Introduce skb_act_clone 2007-10-26 02:47:23 -07:00
scm.h pid namespaces: changes to show virtual ids to user 2007-10-19 11:53:40 -07:00
slhc_vj.h
snmp.h [IPV4]: Add ICMPMsgStats MIB (RFC 4293) 2007-10-10 16:51:28 -07:00
sock.h [TCP]: Fix size calculation in sk_stream_alloc_pskb 2007-11-14 15:45:21 -08:00
syncppp.h
tcp_states.h
tcp.h [TCP]: Remove unneeded implicit type cast when calling tcp_minshall_update() 2007-10-23 21:27:55 -07:00
timewait_sock.h [PATCH] slab: remove kmem_cache_t 2006-12-07 08:39:25 -08:00
transp_v6.h [NET]: Supporting UDP-Lite (RFC 3828) in Linux 2006-12-02 21:22:46 -08:00
udp.h [UDP]: Revert 2-pass hashing changes. 2007-06-07 13:40:50 -07:00
udplite.h [UDP]: Revert 2-pass hashing changes. 2007-06-07 13:40:50 -07:00
veth.h [NET]: Virtual ethernet device driver. 2007-10-10 16:47:46 -07:00
wext.h [NET]: Make the device list and device lookups per namespace. 2007-10-10 16:49:10 -07:00
wireless.h [WIRELESS] cfg80211: New wireless config infrastructure. 2007-04-25 22:29:41 -07:00
x25.h [X.25]: Adds /proc/sys/net/x25/x25_forward to control forwarding. 2007-02-08 13:34:36 -08:00
x25device.h [SK_BUFF]: Introduce skb_reset_mac_header(skb) 2007-04-25 22:24:32 -07:00
xfrm.h [NET]: Don't declare extern variables in net/core/sysctl_net_core.c 2007-10-23 21:27:56 -07:00