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Merged
alan-maguire merged 3 commits into from
Sep 5, 2023
Merged

Rl test #65

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e9f8793
fix comments in tcp conn tuner
alan-maguire Sep 4, 2023
68cc7d0
just use conn tuner for tests
alan-maguire Sep 4, 2023
86d1a1e
tcp_conn_tuner: fix verification errors for clang-14
alan-maguire Sep 5, 2023
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fix comments in tcp conn tuner 
Signed-off-by: Alan Maguire <[email protected]>
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@alan-maguire
alan-maguire committed Sep 4, 2023
commit e9f8793453e66c60477001df94dec341e3211be3
10 changes: 5 additions & 5 deletions src/tcp_conn_tuner.bpf.c
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Original file line number Diff line number Diff line change
Expand Up @@ -77,7 +77,7 @@ int conn_tuner_sockops(struct bpf_sock_ops *ops)
switch (ops->op) {
case BPF_SOCK_OPS_ACTIVE_ESTABLISHED_CB:
case BPF_SOCK_OPS_PASSIVE_ESTABLISHED_CB:
/* enable retransmission events */
/* enable other needed events */
bpf_sock_ops_cb_flags_set(ops, cb_flags);
break;
case BPF_SOCK_OPS_STATE_CB:
Expand Down Expand Up @@ -128,7 +128,7 @@ int conn_tuner_sockops(struct bpf_sock_ops *ops)
__u8 i, ncands = 0, minindex = 0, s;
__u8 cands[NUM_TCP_CONN_METRICS];

/* find highest metric and use cong alg based on it. */
/* find best (minimum) metric and use cong alg based on it. */
for (i = 0; i < NUM_TCP_CONN_METRICS; i++) {
metric_value = remote_host->metrics[i].metric_value;
bpftune_debug("conn_tuner: addr 0x%x cong '%s' metric_value %lld\n",
Expand All @@ -148,9 +148,9 @@ int conn_tuner_sockops(struct bpf_sock_ops *ops)
if (ncands > 1) {
int choice = bpf_get_prandom_u32() % ncands;

/* verifier refused to believe the index used was valid, so
* unroll the mapping from chice to cands[] index to keep
* verification happy.
/* verifier refused to believe the index used was valid;
* unroll the mapping from choice to cands[] index to
* keep verification happy.
*/
switch (choice) {
case 0:
Expand Down