diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2011-01-06 12:30:19 -0800 |
---|---|---|
committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-01-06 12:30:19 -0800 |
commit | abb359450f20c32ae03039d8736f12b1d561caf5 (patch) | |
tree | 6e8723885feb66a138f19f0ff31615dc13a8d859 /net/tipc/bcast.c | |
parent | cb600d2f83c854ec3d6660063e4466431999489b (diff) | |
parent | 4e3dbdb1392a83bd21a6ff8f6bc785495058d37c (diff) |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6: (1436 commits)
cassini: Use local-mac-address prom property for Cassini MAC address
net: remove the duplicate #ifdef __KERNEL__
net: bridge: check the length of skb after nf_bridge_maybe_copy_header()
netconsole: clarify stopping message
netconsole: don't announce stopping if nothing happened
cnic: Fix the type field in SPQ messages
netfilter: fix export secctx error handling
netfilter: fix the race when initializing nf_ct_expect_hash_rnd
ipv4: IP defragmentation must be ECN aware
net: r6040: Return proper error for r6040_init_one
dcb: use after free in dcb_flushapp()
dcb: unlock on error in dcbnl_ieee_get()
net: ixp4xx_eth: Return proper error for eth_init_one
include/linux/if_ether.h: Add #define ETH_P_LINK_CTL for HPNA and wlan local tunnel
net: add POLLPRI to sock_def_readable()
af_unix: Avoid socket->sk NULL OOPS in stream connect security hooks.
net_sched: pfifo_head_drop problem
mac80211: remove stray extern
mac80211: implement off-channel TX using hw r-o-c offload
mac80211: implement hardware offload for remain-on-channel
...
Diffstat (limited to 'net/tipc/bcast.c')
-rw-r--r-- | net/tipc/bcast.c | 50 |
1 files changed, 13 insertions, 37 deletions
diff --git a/net/tipc/bcast.c b/net/tipc/bcast.c index 22a60fc98392..70ab5ef48766 100644 --- a/net/tipc/bcast.c +++ b/net/tipc/bcast.c @@ -36,25 +36,14 @@ */ #include "core.h" -#include "msg.h" -#include "dbg.h" #include "link.h" -#include "net.h" -#include "node.h" #include "port.h" -#include "addr.h" -#include "node_subscr.h" -#include "name_distr.h" -#include "bearer.h" -#include "name_table.h" #include "bcast.h" #define MAX_PKT_DEFAULT_MCAST 1500 /* bcast link max packet size (fixed) */ #define BCLINK_WIN_DEFAULT 20 /* bcast link window size (default) */ -#define BCLINK_LOG_BUF_SIZE 0 - /* * Loss rate for incoming broadcast frames; used to test retransmission code. * Set to N to cause every N'th frame to be discarded; 0 => don't discard any. @@ -114,11 +103,14 @@ struct bclink { }; -static struct bcbearer *bcbearer = NULL; -static struct bclink *bclink = NULL; -static struct link *bcl = NULL; +static struct bcbearer *bcbearer; +static struct bclink *bclink; +static struct link *bcl; static DEFINE_SPINLOCK(bc_lock); +/* broadcast-capable node map */ +struct tipc_node_map tipc_bcast_nmap; + const char tipc_bclink_name[] = "broadcast-link"; static void tipc_nmap_diff(struct tipc_node_map *nm_a, @@ -204,9 +196,8 @@ static void bclink_retransmit_pkt(u32 after, u32 to) struct sk_buff *buf; buf = bcl->first_out; - while (buf && less_eq(buf_seqno(buf), after)) { + while (buf && less_eq(buf_seqno(buf), after)) buf = buf->next; - } tipc_link_retransmit(bcl, buf, mod(to - after)); } @@ -232,9 +223,8 @@ void tipc_bclink_acknowledge(struct tipc_node *n_ptr, u32 acked) /* Skip over packets that node has previously acknowledged */ crs = bcl->first_out; - while (crs && less_eq(buf_seqno(crs), n_ptr->bclink.acked)) { + while (crs && less_eq(buf_seqno(crs), n_ptr->bclink.acked)) crs = crs->next; - } /* Update packets that node is now acknowledging */ @@ -433,16 +423,14 @@ int tipc_bclink_send_msg(struct sk_buff *buf) void tipc_bclink_recv_pkt(struct sk_buff *buf) { #if (TIPC_BCAST_LOSS_RATE) - static int rx_count = 0; + static int rx_count; #endif struct tipc_msg *msg = buf_msg(buf); - struct tipc_node* node = tipc_node_find(msg_prevnode(msg)); + struct tipc_node *node = tipc_node_find(msg_prevnode(msg)); u32 next_in; u32 seqno; struct sk_buff *deferred; - msg_dbg(msg, "<BC<<<"); - if (unlikely(!node || !tipc_node_is_up(node) || !node->bclink.supported || (msg_mc_netid(msg) != tipc_net_id))) { buf_discard(buf); @@ -450,7 +438,6 @@ void tipc_bclink_recv_pkt(struct sk_buff *buf) } if (unlikely(msg_user(msg) == BCAST_PROTOCOL)) { - msg_dbg(msg, "<BCNACK<<<"); if (msg_destnode(msg) == tipc_own_addr) { tipc_node_lock(node); tipc_bclink_acknowledge(node, msg_bcast_ack(msg)); @@ -574,8 +561,8 @@ static int tipc_bcbearer_send(struct sk_buff *buf, if (likely(!msg_non_seq(buf_msg(buf)))) { struct tipc_msg *msg; - assert(tipc_cltr_bcast_nodes.count != 0); - bcbuf_set_acks(buf, tipc_cltr_bcast_nodes.count); + assert(tipc_bcast_nmap.count != 0); + bcbuf_set_acks(buf, tipc_bcast_nmap.count); msg = buf_msg(buf); msg_set_non_seq(msg, 1); msg_set_mc_netid(msg, tipc_net_id); @@ -584,7 +571,7 @@ static int tipc_bcbearer_send(struct sk_buff *buf, /* Send buffer over bearers until all targets reached */ - bcbearer->remains = tipc_cltr_bcast_nodes; + bcbearer->remains = tipc_bcast_nmap; for (bp_index = 0; bp_index < MAX_BEARERS; bp_index++) { struct bearer *p = bcbearer->bpairs[bp_index].primary; @@ -782,7 +769,6 @@ int tipc_bclink_init(void) bcbearer = kzalloc(sizeof(*bcbearer), GFP_ATOMIC); bclink = kzalloc(sizeof(*bclink), GFP_ATOMIC); if (!bcbearer || !bclink) { - nomem: warn("Multicast link creation failed, no memory\n"); kfree(bcbearer); bcbearer = NULL; @@ -807,14 +793,6 @@ int tipc_bclink_init(void) bcl->state = WORKING_WORKING; strlcpy(bcl->name, tipc_bclink_name, TIPC_MAX_LINK_NAME); - if (BCLINK_LOG_BUF_SIZE) { - char *pb = kmalloc(BCLINK_LOG_BUF_SIZE, GFP_ATOMIC); - - if (!pb) - goto nomem; - tipc_printbuf_init(&bcl->print_buf, pb, BCLINK_LOG_BUF_SIZE); - } - return 0; } @@ -823,8 +801,6 @@ void tipc_bclink_stop(void) spin_lock_bh(&bc_lock); if (bcbearer) { tipc_link_stop(bcl); - if (BCLINK_LOG_BUF_SIZE) - kfree(bcl->print_buf.buf); bcl = NULL; kfree(bclink); bclink = NULL; |