Date: Fri, 29 Oct 2021 23:58:38 GMT From: John Baldwin <jhb@FreeBSD.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-branches@FreeBSD.org Subject: git: d724218a7492 - stable/13 - cxgbei: Limit T5 transmit data segments to 15k. Message-ID: <202110292358.19TNwcTV004025@gitrepo.freebsd.org>
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The branch stable/13 has been updated by jhb: URL: https://cgit.FreeBSD.org/src/commit/?id=d724218a7492126c14fc853424e756b6bc836030 commit d724218a7492126c14fc853424e756b6bc836030 Author: John Baldwin <jhb@FreeBSD.org> AuthorDate: 2021-08-30 22:27:08 +0000 Commit: John Baldwin <jhb@FreeBSD.org> CommitDate: 2021-10-29 23:32:24 +0000 cxgbei: Limit T5 transmit data segments to 15k. This avoids exceeding a limit in the firmware when using ISO with jumbo frames. Reported by: Jithesh Arakkan @ Chelsio Sponsored by: Chelsio Communications (cherry picked from commit 64f09f2346650f02b6deccbe05bb02b88fce4a5e) --- sys/dev/cxgbe/cxgbei/cxgbei.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/sys/dev/cxgbe/cxgbei/cxgbei.c b/sys/dev/cxgbe/cxgbei/cxgbei.c index 6af7043460fb..e6ed2671711a 100644 --- a/sys/dev/cxgbe/cxgbei/cxgbei.c +++ b/sys/dev/cxgbe/cxgbei/cxgbei.c @@ -132,6 +132,8 @@ read_pdu_limits(struct adapter *sc, uint32_t *max_tx_data_len, rx_len = min(rx_len, 4 * (1U << pr->pr_page_shift[0])); if (chip_id(sc) == CHELSIO_T5) { + tx_len = min(tx_len, 15360); + rx_len = rounddown2(rx_len, 512); tx_len = rounddown2(tx_len, 512); }
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