From a0984d64f62d0d383dcf1c157747a20853512958 Mon Sep 17 00:00:00 2001
From: imp <imp@FreeBSD.org>
Date: Sun, 1 Mar 2020 17:46:28 +0000
Subject: [PATCH] Remove FreeBSD 7-10 support from bxe driver.

Use new PCIER and PCIEM names in the driver rather than relying on old, compat
shims.
---
 sys/dev/bxe/bxe.c | 20 ++++++++++----------
 sys/dev/bxe/bxe.h | 38 --------------------------------------
 2 files changed, 10 insertions(+), 48 deletions(-)

diff --git a/sys/dev/bxe/bxe.c b/sys/dev/bxe/bxe.c
index c8f37ba459f4..8eafedbf6977 100644
--- a/sys/dev/bxe/bxe.c
+++ b/sys/dev/bxe/bxe.c
@@ -13261,8 +13261,8 @@ bxe_pcie_capability_read(struct bxe_softc *sc,
 static uint8_t
 bxe_is_pcie_pending(struct bxe_softc *sc)
 {
-    return (bxe_pcie_capability_read(sc, PCIR_EXPRESS_DEVICE_STA, 2) &
-            PCIM_EXP_STA_TRANSACTION_PND);
+    return (bxe_pcie_capability_read(sc, PCIER_DEVICE_STA, 2) &
+            PCIEM_STA_TRANSACTION_PND);
 }
 
 /*
@@ -13286,7 +13286,7 @@ bxe_probe_pci_caps(struct bxe_softc *sc)
         }
     }
 
-    link_status = bxe_pcie_capability_read(sc, PCIR_EXPRESS_LINK_STA, 2);
+    link_status = bxe_pcie_capability_read(sc, PCIER_LINK_STA, 2);
 
     /* handle PCIe 2.0 workarounds for 57710 */
     if (CHIP_IS_E1(sc)) {
@@ -13296,16 +13296,16 @@ bxe_probe_pci_caps(struct bxe_softc *sc)
 
         /* workaround for 57710 errata E4_57710_27488 */
         sc->devinfo.pcie_link_width =
-            ((link_status & PCIM_LINK_STA_WIDTH) >> 4);
+            ((link_status & PCIEM_LINK_STA_WIDTH) >> 4);
         if (sc->devinfo.pcie_link_speed > 1) {
             sc->devinfo.pcie_link_width =
-                ((link_status & PCIM_LINK_STA_WIDTH) >> 4) >> 1;
+                ((link_status & PCIEM_LINK_STA_WIDTH) >> 4) >> 1;
         }
     } else {
         sc->devinfo.pcie_link_speed =
-            (link_status & PCIM_LINK_STA_SPEED);
+            (link_status & PCIEM_LINK_STA_SPEED);
         sc->devinfo.pcie_link_width =
-            ((link_status & PCIM_LINK_STA_WIDTH) >> 4);
+            ((link_status & PCIEM_LINK_STA_WIDTH) >> 4);
     }
 
     BLOGD(sc, DBG_LOAD, "PCIe link speed=%d width=%d\n",
@@ -16746,14 +16746,14 @@ bxe_init_pxp(struct bxe_softc *sc)
     uint16_t devctl;
     int r_order, w_order;
 
-    devctl = bxe_pcie_capability_read(sc, PCIR_EXPRESS_DEVICE_CTL, 2);
+    devctl = bxe_pcie_capability_read(sc, PCIER_DEVICE_CTL, 2);
 
     BLOGD(sc, DBG_LOAD, "read 0x%08x from devctl\n", devctl);
 
-    w_order = ((devctl & PCIM_EXP_CTL_MAX_PAYLOAD) >> 5);
+    w_order = ((devctl & PCIEM_CTL_MAX_PAYLOAD) >> 5);
 
     if (sc->mrrs == -1) {
-        r_order = ((devctl & PCIM_EXP_CTL_MAX_READ_REQUEST) >> 12);
+        r_order = ((devctl & PCIEM_CTL_MAX_READ_REQUEST) >> 12);
     } else {
         BLOGD(sc, DBG_LOAD, "forcing read order to %d\n", sc->mrrs);
         r_order = sc->mrrs;
diff --git a/sys/dev/bxe/bxe.h b/sys/dev/bxe/bxe.h
index 4df1c0826a42..b39fbdcd4d11 100644
--- a/sys/dev/bxe/bxe.h
+++ b/sys/dev/bxe/bxe.h
@@ -117,34 +117,6 @@ __FBSDID("$FreeBSD$");
 #define VF_MAC_CREDIT_CNT 0
 #define VF_VLAN_CREDIT_CNT (0)
 
-#if __FreeBSD_version < 800054
-#if defined(__i386__) || defined(__amd64__)
-#define mb()  __asm volatile("mfence;" : : : "memory")
-#define wmb() __asm volatile("sfence;" : : : "memory")
-#define rmb() __asm volatile("lfence;" : : : "memory")
-static __inline void prefetch(void *x)
-{
-    __asm volatile("prefetcht0 %0" :: "m" (*(unsigned long *)x));
-}
-#else
-#define mb()
-#define rmb()
-#define wmb()
-#define prefetch(x)
-#endif
-#endif
-
-#if __FreeBSD_version >= 1000000
-#define PCIR_EXPRESS_DEVICE_STA        PCIER_DEVICE_STA
-#define PCIM_EXP_STA_TRANSACTION_PND   PCIEM_STA_TRANSACTION_PND
-#define PCIR_EXPRESS_LINK_STA          PCIER_LINK_STA
-#define PCIM_LINK_STA_WIDTH            PCIEM_LINK_STA_WIDTH
-#define PCIM_LINK_STA_SPEED            PCIEM_LINK_STA_SPEED
-#define PCIR_EXPRESS_DEVICE_CTL        PCIER_DEVICE_CTL
-#define PCIM_EXP_CTL_MAX_PAYLOAD       PCIEM_CTL_MAX_PAYLOAD
-#define PCIM_EXP_CTL_MAX_READ_REQUEST  PCIEM_CTL_MAX_READ_REQUEST
-#endif
-
 #ifndef ARRAY_SIZE
 #define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]))
 #endif
@@ -708,10 +680,8 @@ struct bxe_fastpath {
 
     //uint8_t segs;
 
-#if __FreeBSD_version >= 800000
 #define BXE_BR_SIZE 4096
     struct buf_ring *tx_br;
-#endif
 }; /* struct bxe_fastpath */
 
 /* sriov XXX */
@@ -2300,16 +2270,8 @@ void bxe_dump_mem(struct bxe_softc *sc, char *tag,
 void bxe_dump_mbuf_data(struct bxe_softc *sc, char *pTag,
                         struct mbuf *m, uint8_t contents);
 
-#if __FreeBSD_version >= 800000
-#if (__FreeBSD_version >= 1001513 && __FreeBSD_version < 1100000) ||\
-    __FreeBSD_version >= 1100048
 #define BXE_SET_FLOWID(m) M_HASHTYPE_SET(m, M_HASHTYPE_OPAQUE)
 #define BXE_VALID_FLOWID(m) (M_HASHTYPE_GET(m) != M_HASHTYPE_NONE)
-#else
-#define BXE_VALID_FLOWID(m) ((m->m_flags & M_FLOWID) != 0)
-#define BXE_SET_FLOWID(m) m->m_flags |= M_FLOWID
-#endif
-#endif /* #if __FreeBSD_version >= 800000 */
 
 /***********/
 /* INLINES */