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| author | np <np@FreeBSD.org> | 2014-11-26 00:44:48 +0000 |
|---|---|---|
| committer | np <np@FreeBSD.org> | 2014-11-26 00:44:48 +0000 |
| commit | bed3ddc44207cd1b879a8caff544720a11a21746 (patch) | |
| tree | 508b735c7847b1aee64dc75534b7ccde3a8647bd /sys/dev | |
| parent | 7230e71362ae2a3c943894b53dae6718344f1661 (diff) | |
| download | FreeBSD-src-bed3ddc44207cd1b879a8caff544720a11a21746.zip FreeBSD-src-bed3ddc44207cd1b879a8caff544720a11a21746.tar.gz | |
MFC r274724:
cxgbe(4): figure out the max payload size and save it for later.
Diffstat (limited to 'sys/dev')
| -rw-r--r-- | sys/dev/cxgbe/common/common.h | 1 | ||||
| -rw-r--r-- | sys/dev/cxgbe/t4_main.c | 2 |
2 files changed, 3 insertions, 0 deletions
diff --git a/sys/dev/cxgbe/common/common.h b/sys/dev/cxgbe/common/common.h index 7a88462..820354a 100644 --- a/sys/dev/cxgbe/common/common.h +++ b/sys/dev/cxgbe/common/common.h @@ -238,6 +238,7 @@ struct vpd_params { struct pci_params { unsigned int vpd_cap_addr; + unsigned int mps; unsigned short speed; unsigned short width; }; diff --git a/sys/dev/cxgbe/t4_main.c b/sys/dev/cxgbe/t4_main.c index c0c1d95..1d5b15d 100644 --- a/sys/dev/cxgbe/t4_main.c +++ b/sys/dev/cxgbe/t4_main.c @@ -590,6 +590,8 @@ t4_attach(device_t dev) v = pci_read_config(dev, i + PCIER_DEVICE_CTL, 2); v |= PCIEM_CTL_RELAXED_ORD_ENABLE; pci_write_config(dev, i + PCIER_DEVICE_CTL, v, 2); + + sc->params.pci.mps = 128 << ((v & PCIEM_CTL_MAX_PAYLOAD) >> 5); } sc->traceq = -1; |
