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| author | Hugo Landau <hlandau@openssl.org> | 2022-10-31 16:03:03 +0000 |
|---|---|---|
| committer | Hugo Landau <hlandau@openssl.org> | 2023-01-13 13:20:12 +0000 |
| commit | 04e5226f6549683a8362ae1af2445987d699540a (patch) | |
| tree | 19130fa5b6822f7f65a31e777a11c8c742c9c9a8 /ssl/quic | |
| parent | b2c94b93994bc079ed3aa7f700adc7782bd0bb64 (diff) | |
QUIC TXP: Add a function to query if the TXP wants to generate a packet
For use by QUIC CSM.
Reviewed-by: Tomas Mraz <tomas@openssl.org>
Reviewed-by: Matt Caswell <matt@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/19703)
Diffstat (limited to 'ssl/quic')
| -rw-r--r-- | ssl/quic/quic_txp.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/ssl/quic/quic_txp.c b/ssl/quic/quic_txp.c index 8508e87503..6224891a35 100644 --- a/ssl/quic/quic_txp.c +++ b/ssl/quic/quic_txp.c @@ -460,6 +460,25 @@ void ossl_quic_tx_packetiser_schedule_ack_eliciting(OSSL_QUIC_TX_PACKETISER *txp #define TXP_ERR_SPACE 2 /* Not enough room for another packet */ #define TXP_ERR_INPUT 3 /* Invalid/malformed input */ +int ossl_quic_tx_packetiser_has_pending(OSSL_QUIC_TX_PACKETISER *txp, + uint32_t archetype, + uint32_t flags) +{ + uint32_t enc_level; + int bypass_cc = ((flags & TX_PACKETISER_BYPASS_CC) != 0); + + if (!bypass_cc && !txp->args.cc_method->can_send(txp->args.cc_data)) + return 0; + + for (enc_level = QUIC_ENC_LEVEL_INITIAL; + enc_level < QUIC_ENC_LEVEL_NUM; + ++enc_level) + if (txp_el_pending(txp, enc_level, archetype)) + return 1; + + return 0; +} + /* * Generates a datagram by polling the various ELs to determine if they want to * generate any frames, and generating a datagram which coalesces packets for |