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authorGerrit Renker <gerrit@erg.abdn.ac.uk>2007-03-20 12:26:51 -0300
committerDavid S. Miller <davem@sunset.davemloft.net>2007-04-25 22:26:42 -0700
commit6b811d43f6cc9eccdfc011a99f8571df2abc46d1 (patch)
tree58e7f27415faf9ad6761bab6e51a7003139190f9 /net/dccp/ackvec.c
parent8b5be26831b973d8013e8b4c9860d9694310cdc6 (diff)
[DCCP]: 48-bit sequence number arithmetic
This patch * organizes the sequence arithmetic functions into one corner of dccp.h * performs a small modification of dccp_set_seqno to make it more widely reusable (now it is safe to use any number, since it performs modulo-2^48 assignment) * adds functions and generic macros for 48-bit sequence arithmetic: --48 bit complement --modulo-48 addition and modulo-48 subtraction --dccp_inc_seqno now a special case of add48 Constants renamed following a suggestion by Arnaldo. Signed-off-by: Gerrit Renker <gerrit@erg.abdn.ac.uk> Acked-by: Ian McDonald <ian.mcdonald@jandi.co.nz> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/dccp/ackvec.c')
-rw-r--r--net/dccp/ackvec.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/net/dccp/ackvec.c b/net/dccp/ackvec.c
index a086c6312d3..01030f34617 100644
--- a/net/dccp/ackvec.c
+++ b/net/dccp/ackvec.c
@@ -157,7 +157,7 @@ struct dccp_ackvec *dccp_ackvec_alloc(const gfp_t priority)
if (av != NULL) {
av->dccpav_buf_head = DCCP_MAX_ACKVEC_LEN - 1;
- av->dccpav_buf_ackno = DCCP_MAX_SEQNO + 1;
+ av->dccpav_buf_ackno = UINT48_MAX + 1;
av->dccpav_buf_nonce = av->dccpav_buf_nonce = 0;
av->dccpav_time.tv_sec = 0;
av->dccpav_time.tv_usec = 0;