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| author | Jeff Garzik <jeff@garzik.org> | 2006-09-24 05:52:47 (GMT) |
|---|---|---|
| committer | Jeff Garzik <jeff@garzik.org> | 2006-09-24 05:52:47 (GMT) |
| commit | 23930fa1cebfea6f79881c588ccd1b0781e49e3f (patch) | |
| tree | 36d29e3f83661c4f5f45b6f74ac0d5f9886867a8 /net/dccp/ackvec.c | |
| parent | 36b35a5be0e4b406acd816e2122d153e875105be (diff) | |
| parent | 4f5537de7c1531398e84e18a24f667e49cc94208 (diff) | |
| download | linux-fsl-qoriq-23930fa1cebfea6f79881c588ccd1b0781e49e3f.tar.xz | |
Merge branch 'master' into upstream
Diffstat (limited to 'net/dccp/ackvec.c')
| -rw-r--r-- | net/dccp/ackvec.c | 20 |
1 files changed, 10 insertions, 10 deletions
diff --git a/net/dccp/ackvec.c b/net/dccp/ackvec.c index 8c211c5..4d176d3 100644 --- a/net/dccp/ackvec.c +++ b/net/dccp/ackvec.c @@ -142,14 +142,13 @@ struct dccp_ackvec *dccp_ackvec_alloc(const gfp_t priority) struct dccp_ackvec *av = kmem_cache_alloc(dccp_ackvec_slab, priority); if (av != NULL) { - av->dccpav_buf_head = - av->dccpav_buf_tail = DCCP_MAX_ACKVEC_LEN - 1; + av->dccpav_buf_head = DCCP_MAX_ACKVEC_LEN - 1; av->dccpav_buf_ackno = DCCP_MAX_SEQNO + 1; av->dccpav_buf_nonce = av->dccpav_buf_nonce = 0; av->dccpav_ack_ptr = 0; av->dccpav_time.tv_sec = 0; av->dccpav_time.tv_usec = 0; - av->dccpav_sent_len = av->dccpav_vec_len = 0; + av->dccpav_vec_len = 0; INIT_LIST_HEAD(&av->dccpav_records); } @@ -353,11 +352,13 @@ static void dccp_ackvec_throw_record(struct dccp_ackvec *av, { struct dccp_ackvec_record *next; - av->dccpav_buf_tail = avr->dccpavr_ack_ptr - 1; - if (av->dccpav_buf_tail == 0) - av->dccpav_buf_tail = DCCP_MAX_ACKVEC_LEN - 1; - - av->dccpav_vec_len -= avr->dccpavr_sent_len; + /* sort out vector length */ + if (av->dccpav_buf_head <= avr->dccpavr_ack_ptr) + av->dccpav_vec_len = avr->dccpavr_ack_ptr - av->dccpav_buf_head; + else + av->dccpav_vec_len = DCCP_MAX_ACKVEC_LEN - 1 + - av->dccpav_buf_head + + avr->dccpavr_ack_ptr; /* free records */ list_for_each_entry_safe_from(avr, next, &av->dccpav_records, @@ -434,8 +435,7 @@ static void dccp_ackvec_check_rcv_ackvector(struct dccp_ackvec *av, break; found: if (between48(avr->dccpavr_ack_seqno, ackno_end_rl, ackno)) { - const u8 state = (*vector & - DCCP_ACKVEC_STATE_MASK) >> 6; + const u8 state = *vector & DCCP_ACKVEC_STATE_MASK; if (state != DCCP_ACKVEC_STATE_NOT_RECEIVED) { #ifdef CONFIG_IP_DCCP_DEBUG struct dccp_sock *dp = dccp_sk(sk); |