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author | Arnd Bergmann <arnd@arndb.de> | 2012-07-17 20:41:50 (GMT) |
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committer | Arnd Bergmann <arnd@arndb.de> | 2012-07-17 20:41:50 (GMT) |
commit | 36c678f3c91ac92e9524abcf9b39f9f539d60279 (patch) | |
tree | c9c0df006a7e9bcc14492b1d1fa6aa2c5c43d3a3 /net/sctp/sm_make_chunk.c | |
parent | 4450cb7d586c3d8f6615ee437eab1d1e064b20c0 (diff) | |
parent | 14ac5b884eff23f53139dd4508f428aee906d8c2 (diff) | |
download | linux-36c678f3c91ac92e9524abcf9b39f9f539d60279.tar.xz |
Merge tag 'imx-clk' of git://git.pengutronix.de/git/imx/linux-2.6 into next/clk
From Sascha Hauer <s.hauer@pengutronix.de>:
i.MX clk noncritical fixes and updates
* tag 'imx-clk' of git://git.pengutronix.de/git/imx/linux-2.6:
ARM: imx: clk-imx31: Fix clock id for rnga driver
ARM: imx: add missing item to the list of clock event modes
ARM: i.MX5x CSPI: Fixed clock name for CSPI
ARM: i.MX5x clocks: Fix GPT clocks
ARM: i.MX5x clocks: Fix parent for PWM clocks
ARM: i.MX5x clocks: Add EPIT support
ARM: mx27: Reenable silicon version print
ARM: clk-imx27: Fix rtc clock id
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'net/sctp/sm_make_chunk.c')
-rw-r--r-- | net/sctp/sm_make_chunk.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/net/sctp/sm_make_chunk.c b/net/sctp/sm_make_chunk.c index a85eeeb..b6de71e 100644 --- a/net/sctp/sm_make_chunk.c +++ b/net/sctp/sm_make_chunk.c @@ -734,8 +734,10 @@ struct sctp_chunk *sctp_make_sack(const struct sctp_association *asoc) int len; __u32 ctsn; __u16 num_gabs, num_dup_tsns; + struct sctp_association *aptr = (struct sctp_association *)asoc; struct sctp_tsnmap *map = (struct sctp_tsnmap *)&asoc->peer.tsn_map; struct sctp_gap_ack_block gabs[SCTP_MAX_GABS]; + struct sctp_transport *trans; memset(gabs, 0, sizeof(gabs)); ctsn = sctp_tsnmap_get_ctsn(map); @@ -805,6 +807,20 @@ struct sctp_chunk *sctp_make_sack(const struct sctp_association *asoc) sctp_addto_chunk(retval, sizeof(__u32) * num_dup_tsns, sctp_tsnmap_get_dups(map)); + /* Once we have a sack generated, check to see what our sack + * generation is, if its 0, reset the transports to 0, and reset + * the association generation to 1 + * + * The idea is that zero is never used as a valid generation for the + * association so no transport will match after a wrap event like this, + * Until the next sack + */ + if (++aptr->peer.sack_generation == 0) { + list_for_each_entry(trans, &asoc->peer.transport_addr_list, + transports) + trans->sack_generation = 0; + aptr->peer.sack_generation = 1; + } nodata: return retval; } |