Author: jhb
Date: Tue Oct 8 20:22:05 2019
New Revision: 353323
URL: https://svnweb.freebsd.org/changeset/base/353323
Log:
Set the FID field in lookaside crypto requests to the rx queue ID.
The PCI block in the adapter requires this field to be set to a valid
queue ID. It is not clear why it did not fail on all machines, but
the effect was that crypto operations reading input data via DMA
failed with an internal PCI read error on machines with 128G or more
of RAM.
Reported by: gallatin
Reviewed by: np
MFC after: 3 days
Sponsored by: Chelsio Communications
Modified:
head/sys/dev/cxgbe/crypto/t4_crypto.c
Modified: head/sys/dev/cxgbe/crypto/t4_crypto.c
==============================================================================
--- head/sys/dev/cxgbe/crypto/t4_crypto.c Tue Oct 8 20:14:33 2019
(r353322)
+++ head/sys/dev/cxgbe/crypto/t4_crypto.c Tue Oct 8 20:22:05 2019
(r353323)
@@ -419,7 +419,7 @@ ccr_populate_wreq(struct ccr_softc *sc, struct chcr_wr
crwr->ulptx.cmd_dest = htobe32(V_ULPTX_CMD(ULP_TX_PKT) |
V_ULP_TXPKT_DATAMODIFY(0) |
V_ULP_TXPKT_CHANNELID(sc->tx_channel_id) | V_ULP_TXPKT_DEST(0) |
- V_ULP_TXPKT_FID(0) | V_ULP_TXPKT_RO(1));
+ V_ULP_TXPKT_FID(sc->rxq->iq.abs_id) | V_ULP_TXPKT_RO(1));
crwr->ulptx.len = htobe32(
((wr_len - sizeof(struct fw_crypto_lookaside_wr)) / 16));
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