git: b919bf05966c - main - cxgbe: Move helper functions for mbuf metadata to adapter.h.

From: John Baldwin <jhb_at_FreeBSD.org>
Date: Fri, 17 Feb 2023 17:08:17 UTC
The branch main has been updated by jhb:

URL: https://cgit.FreeBSD.org/src/commit/?id=b919bf05966c34cef8e02451ff1dfe9eec0f9cbd

commit b919bf05966c34cef8e02451ff1dfe9eec0f9cbd
Author:     John Baldwin <jhb@FreeBSD.org>
AuthorDate: 2023-02-17 17:06:12 +0000
Commit:     John Baldwin <jhb@FreeBSD.org>
CommitDate: 2023-02-17 17:06:12 +0000

    cxgbe: Move helper functions for mbuf metadata to adapter.h.
    
    Previously private to t4_sge.c, this allows other parts of the driver
    (such as NIC TLS) to use these helpers directly.
    
    Reviewed by:    np
    Sponsored by:   Chelsio Communications
    Differential Revision:  https://reviews.freebsd.org/D38578
---
 sys/dev/cxgbe/adapter.h | 58 +++++++++++++++++++++++++++++++++++++++++++++
 sys/dev/cxgbe/t4_sge.c  | 63 -------------------------------------------------
 2 files changed, 58 insertions(+), 63 deletions(-)

diff --git a/sys/dev/cxgbe/adapter.h b/sys/dev/cxgbe/adapter.h
index b470d1a6461c..7076b1cf781a 100644
--- a/sys/dev/cxgbe/adapter.h
+++ b/sys/dev/cxgbe/adapter.h
@@ -1118,6 +1118,64 @@ hw_off_limits(struct adapter *sc)
 	return (__predict_false(off_limits != 0));
 }
 
+static inline int
+mbuf_nsegs(struct mbuf *m)
+{
+	M_ASSERTPKTHDR(m);
+	KASSERT(m->m_pkthdr.inner_l5hlen > 0,
+	    ("%s: mbuf %p missing information on # of segments.", __func__, m));
+
+	return (m->m_pkthdr.inner_l5hlen);
+}
+
+static inline void
+set_mbuf_nsegs(struct mbuf *m, uint8_t nsegs)
+{
+	M_ASSERTPKTHDR(m);
+	m->m_pkthdr.inner_l5hlen = nsegs;
+}
+
+/* Internal mbuf flags stored in PH_loc.eight[1]. */
+#define	MC_NOMAP		0x01
+#define	MC_RAW_WR		0x02
+#define	MC_TLS			0x04
+
+static inline int
+mbuf_cflags(struct mbuf *m)
+{
+	M_ASSERTPKTHDR(m);
+	return (m->m_pkthdr.PH_loc.eight[4]);
+}
+
+static inline void
+set_mbuf_cflags(struct mbuf *m, uint8_t flags)
+{
+	M_ASSERTPKTHDR(m);
+	m->m_pkthdr.PH_loc.eight[4] = flags;
+}
+
+static inline int
+mbuf_len16(struct mbuf *m)
+{
+	int n;
+
+	M_ASSERTPKTHDR(m);
+	n = m->m_pkthdr.PH_loc.eight[0];
+	if (!(mbuf_cflags(m) & MC_TLS))
+		MPASS(n > 0 && n <= SGE_MAX_WR_LEN / 16);
+
+	return (n);
+}
+
+static inline void
+set_mbuf_len16(struct mbuf *m, uint8_t len16)
+{
+	M_ASSERTPKTHDR(m);
+	if (!(mbuf_cflags(m) & MC_TLS))
+		MPASS(len16 > 0 && len16 <= SGE_MAX_WR_LEN / 16);
+	m->m_pkthdr.PH_loc.eight[0] = len16;
+}
+
 static inline uint32_t
 t4_read_reg(struct adapter *sc, uint32_t reg)
 {
diff --git a/sys/dev/cxgbe/t4_sge.c b/sys/dev/cxgbe/t4_sge.c
index ad3cb63dade4..94fc705bd1d4 100644
--- a/sys/dev/cxgbe/t4_sge.c
+++ b/sys/dev/cxgbe/t4_sge.c
@@ -87,11 +87,6 @@ __FBSDID("$FreeBSD$");
 #define RX_COPY_THRESHOLD MINCLSIZE
 #endif
 
-/* Internal mbuf flags stored in PH_loc.eight[1]. */
-#define	MC_NOMAP		0x01
-#define	MC_RAW_WR		0x02
-#define	MC_TLS			0x04
-
 /*
  * Ethernet frames are DMA'd at this byte offset into the freelist buffer.
  * 0-7 are valid values.
@@ -2284,64 +2279,6 @@ t4_update_fl_bufsize(struct ifnet *ifp)
 #endif
 }
 
-static inline int
-mbuf_nsegs(struct mbuf *m)
-{
-
-	M_ASSERTPKTHDR(m);
-	KASSERT(m->m_pkthdr.inner_l5hlen > 0,
-	    ("%s: mbuf %p missing information on # of segments.", __func__, m));
-
-	return (m->m_pkthdr.inner_l5hlen);
-}
-
-static inline void
-set_mbuf_nsegs(struct mbuf *m, uint8_t nsegs)
-{
-
-	M_ASSERTPKTHDR(m);
-	m->m_pkthdr.inner_l5hlen = nsegs;
-}
-
-static inline int
-mbuf_cflags(struct mbuf *m)
-{
-
-	M_ASSERTPKTHDR(m);
-	return (m->m_pkthdr.PH_loc.eight[4]);
-}
-
-static inline void
-set_mbuf_cflags(struct mbuf *m, uint8_t flags)
-{
-
-	M_ASSERTPKTHDR(m);
-	m->m_pkthdr.PH_loc.eight[4] = flags;
-}
-
-static inline int
-mbuf_len16(struct mbuf *m)
-{
-	int n;
-
-	M_ASSERTPKTHDR(m);
-	n = m->m_pkthdr.PH_loc.eight[0];
-	if (!(mbuf_cflags(m) & MC_TLS))
-		MPASS(n > 0 && n <= SGE_MAX_WR_LEN / 16);
-
-	return (n);
-}
-
-static inline void
-set_mbuf_len16(struct mbuf *m, uint8_t len16)
-{
-
-	M_ASSERTPKTHDR(m);
-	if (!(mbuf_cflags(m) & MC_TLS))
-		MPASS(len16 > 0 && len16 <= SGE_MAX_WR_LEN / 16);
-	m->m_pkthdr.PH_loc.eight[0] = len16;
-}
-
 #ifdef RATELIMIT
 static inline int
 mbuf_eo_nsegs(struct mbuf *m)