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nfp: drop support for old firmware ABIs

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Be more strict about FW versions.  Drop support for old
transitional revisions which were never used in production.
Dropping support for FW ABI version 0.0.0.0 is particularly
useful because 0 could just be uninitialized memory.

Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Reviewed-by: Dinan Gunawardena <dinan.gunawardena@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jakub Kicinski
2016-09-07 19:45:36 +01:00
committed by David S. Miller
parent 312fada1f9
commit 313b345cbf
1 changed files with 2 additions and 4 deletions
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drivers/net/ethernet/netronome/nfp/nfp_netvf_main.c
+2 -4
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@@ -133,7 +133,7 @@ static int nfp_netvf_pci_probe(struct pci_dev *pdev,
}
nfp_net_get_fw_version(&fw_ver, ctrl_bar);
if (fw_ver.class != NFP_NET_CFG_VERSION_CLASS_GENERIC) {
if (fw_ver.resv || fw_ver.class != NFP_NET_CFG_VERSION_CLASS_GENERIC) {
dev_err(&pdev->dev, "Unknown Firmware ABI %d.%d.%d.%d\n",
fw_ver.resv, fw_ver.class, fw_ver.major, fw_ver.minor);
err = -EINVAL;
@@ -141,9 +141,7 @@ static int nfp_netvf_pci_probe(struct pci_dev *pdev,
}
/* Determine stride */
if (nfp_net_fw_ver_eq(&fw_ver, 0, 0, 0, 0) ||
nfp_net_fw_ver_eq(&fw_ver, 0, 0, 0, 1) ||
nfp_net_fw_ver_eq(&fw_ver, 0, 0, 0x12, 0x48)) {
if (nfp_net_fw_ver_eq(&fw_ver, 0, 0, 0, 1)) {
stride = 2;
tx_bar_no = NFP_NET_Q0_BAR;
rx_bar_no = NFP_NET_Q1_BAR;