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cxgbe(4): Keep link configuration compatible with really old firmwares.

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MFC after:	1 week
Sponsored by:	Chelsio Communications
This commit is contained in:
Navdeep Parhar 2021-11-10 16:10:41 -08:00
parent ab12e8db29
commit 8e76bae0b7
1 changed files with 8 additions and 0 deletions
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8
sys/dev/cxgbe/common/t4_hw.c
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@ -3959,6 +3959,14 @@ int t4_link_l1cfg(struct adapter *adap, unsigned int mbox, unsigned int port,
if (lc->requested_fec & FEC_MODULE)
fec |= fec_to_fwcap(lc->fec_hint);
}
/*
* This is for compatibility with old firmwares. The original
* way to request NO_FEC was to not set any of the FEC bits. New
* firmwares understand this too.
*/
if (fec == FW_PORT_CAP32_FEC_NO_FEC)
fec = 0;
}
/* Force AN on for BT cards. */