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author | Linus Torvalds <torvalds@linux-foundation.org> | 2014-06-12 23:27:40 +0200 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2014-06-12 23:27:40 +0200 |
commit | f9da455b93f6ba076935b4ef4589f61e529ae046 (patch) | |
tree | 3c4e69ce1ba1d6bf65915b97a76ca2172105b278 /net/tipc/eth_media.c | |
parent | Merge tag 'dm-3.16-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/... (diff) | |
parent | rtnetlink: fix userspace API breakage for iproute2 < v3.9.0 (diff) | |
download | linux-f9da455b93f6ba076935b4ef4589f61e529ae046.tar.xz linux-f9da455b93f6ba076935b4ef4589f61e529ae046.zip |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next
Pull networking updates from David Miller:
1) Seccomp BPF filters can now be JIT'd, from Alexei Starovoitov.
2) Multiqueue support in xen-netback and xen-netfront, from Andrew J
Benniston.
3) Allow tweaking of aggregation settings in cdc_ncm driver, from Bjørn
Mork.
4) BPF now has a "random" opcode, from Chema Gonzalez.
5) Add more BPF documentation and improve test framework, from Daniel
Borkmann.
6) Support TCP fastopen over ipv6, from Daniel Lee.
7) Add software TSO helper functions and use them to support software
TSO in mvneta and mv643xx_eth drivers. From Ezequiel Garcia.
8) Support software TSO in fec driver too, from Nimrod Andy.
9) Add Broadcom SYSTEMPORT driver, from Florian Fainelli.
10) Handle broadcasts more gracefully over macvlan when there are large
numbers of interfaces configured, from Herbert Xu.
11) Allow more control over fwmark used for non-socket based responses,
from Lorenzo Colitti.
12) Do TCP congestion window limiting based upon measurements, from Neal
Cardwell.
13) Support busy polling in SCTP, from Neal Horman.
14) Allow RSS key to be configured via ethtool, from Venkata Duvvuru.
15) Bridge promisc mode handling improvements from Vlad Yasevich.
16) Don't use inetpeer entries to implement ID generation any more, it
performs poorly, from Eric Dumazet.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (1522 commits)
rtnetlink: fix userspace API breakage for iproute2 < v3.9.0
tcp: fixing TLP's FIN recovery
net: fec: Add software TSO support
net: fec: Add Scatter/gather support
net: fec: Increase buffer descriptor entry number
net: fec: Factorize feature setting
net: fec: Enable IP header hardware checksum
net: fec: Factorize the .xmit transmit function
bridge: fix compile error when compiling without IPv6 support
bridge: fix smatch warning / potential null pointer dereference
via-rhine: fix full-duplex with autoneg disable
bnx2x: Enlarge the dorq threshold for VFs
bnx2x: Check for UNDI in uncommon branch
bnx2x: Fix 1G-baseT link
bnx2x: Fix link for KR with swapped polarity lane
sctp: Fix sk_ack_backlog wrap-around problem
net/core: Add VF link state control policy
net/fsl: xgmac_mdio is dependent on OF_MDIO
net/fsl: Make xgmac_mdio read error message useful
net_sched: drr: warn when qdisc is not work conserving
...
Diffstat (limited to 'net/tipc/eth_media.c')
-rw-r--r-- | net/tipc/eth_media.c | 51 |
1 files changed, 32 insertions, 19 deletions
diff --git a/net/tipc/eth_media.c b/net/tipc/eth_media.c index 67cf3f935dba..5e1426f1751f 100644 --- a/net/tipc/eth_media.c +++ b/net/tipc/eth_media.c @@ -1,7 +1,7 @@ /* * net/tipc/eth_media.c: Ethernet bearer support for TIPC * - * Copyright (c) 2001-2007, 2013, Ericsson AB + * Copyright (c) 2001-2007, 2013-2014, Ericsson AB * Copyright (c) 2005-2008, 2011-2013, Wind River Systems * All rights reserved. * @@ -37,39 +37,52 @@ #include "core.h" #include "bearer.h" -#define ETH_ADDR_OFFSET 4 /* message header offset of MAC address */ +#define ETH_ADDR_OFFSET 4 /* MAC addr position inside address field */ -/* convert Ethernet address to string */ -static int tipc_eth_addr2str(struct tipc_media_addr *a, char *str_buf, - int str_size) +/* Convert Ethernet address (media address format) to string */ +static int tipc_eth_addr2str(struct tipc_media_addr *addr, + char *strbuf, int bufsz) { - if (str_size < 18) /* 18 = strlen("aa:bb:cc:dd:ee:ff\0") */ + if (bufsz < 18) /* 18 = strlen("aa:bb:cc:dd:ee:ff\0") */ return 1; - sprintf(str_buf, "%pM", a->value); + sprintf(strbuf, "%pM", addr->value); return 0; } -/* convert Ethernet address format to message header format */ -static int tipc_eth_addr2msg(struct tipc_media_addr *a, char *msg_area) +/* Convert from media address format to discovery message addr format */ +static int tipc_eth_addr2msg(char *msg, struct tipc_media_addr *addr) { - memset(msg_area, 0, TIPC_MEDIA_ADDR_SIZE); - msg_area[TIPC_MEDIA_TYPE_OFFSET] = TIPC_MEDIA_TYPE_ETH; - memcpy(msg_area + ETH_ADDR_OFFSET, a->value, ETH_ALEN); + memset(msg, 0, TIPC_MEDIA_ADDR_SIZE); + msg[TIPC_MEDIA_TYPE_OFFSET] = TIPC_MEDIA_TYPE_ETH; + memcpy(msg + ETH_ADDR_OFFSET, addr->value, ETH_ALEN); return 0; } -/* convert message header address format to Ethernet format */ -static int tipc_eth_msg2addr(const struct tipc_bearer *tb_ptr, - struct tipc_media_addr *a, char *msg_area) +/* Convert raw mac address format to media addr format */ +static int tipc_eth_raw2addr(struct tipc_bearer *b, + struct tipc_media_addr *addr, + char *msg) { - if (msg_area[TIPC_MEDIA_TYPE_OFFSET] != TIPC_MEDIA_TYPE_ETH) - return 1; + char bcast_mac[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff}; - tipc_l2_media_addr_set(tb_ptr, a, msg_area + ETH_ADDR_OFFSET); + memset(addr, 0, sizeof(*addr)); + ether_addr_copy(addr->value, msg); + addr->media_id = TIPC_MEDIA_TYPE_ETH; + addr->broadcast = !memcmp(addr->value, bcast_mac, ETH_ALEN); return 0; } +/* Convert discovery msg addr format to Ethernet media addr format */ +static int tipc_eth_msg2addr(struct tipc_bearer *b, + struct tipc_media_addr *addr, + char *msg) +{ + /* Skip past preamble: */ + msg += ETH_ADDR_OFFSET; + return tipc_eth_raw2addr(b, addr, msg); +} + /* Ethernet media registration info */ struct tipc_media eth_media_info = { .send_msg = tipc_l2_send_msg, @@ -78,6 +91,7 @@ struct tipc_media eth_media_info = { .addr2str = tipc_eth_addr2str, .addr2msg = tipc_eth_addr2msg, .msg2addr = tipc_eth_msg2addr, + .raw2addr = tipc_eth_raw2addr, .priority = TIPC_DEF_LINK_PRI, .tolerance = TIPC_DEF_LINK_TOL, .window = TIPC_DEF_LINK_WIN, @@ -85,4 +99,3 @@ struct tipc_media eth_media_info = { .hwaddr_len = ETH_ALEN, .name = "eth" }; - |