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Miller" , Eric Dumazet , Paolo Abeni , Shannon Nelson , Jiri Pirko , linux-kernel@vger.kernel.org, Hangbin Liu Subject: [PATCH net-next 1/2] netdevsim: print human readable IP address Date: Tue, 8 Oct 2024 12:21:33 +0000 Message-ID: <20241008122134.4343-2-liuhangbin@gmail.com> X-Mailer: git-send-email 2.46.0 In-Reply-To: <20241008122134.4343-1-liuhangbin@gmail.com> References: <20241008122134.4343-1-liuhangbin@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Currently, IPSec addresses are printed in hexadecimal format, which is not user-friendly. e.g. # cat /sys/kernel/debug/netdevsim/netdevsim0/ports/0/ipsec SA count=3D2 tx=3D20 sa[0] rx ipaddr=3D0x00000000 00000000 00000000 0100a8c0 sa[0] spi=3D0x00000101 proto=3D0x32 salt=3D0x0adecc3a crypt=3D1 sa[0] key=3D0x3167608a ca4f1397 43565909 941fa627 sa[1] tx ipaddr=3D0x00000000 00000000 00000000 00000000 sa[1] spi=3D0x00000100 proto=3D0x32 salt=3D0x0adecc3a crypt=3D1 sa[1] key=3D0x3167608a ca4f1397 43565909 941fa627 This patch updates the code to print the IPSec address in a human-readable format for easier debug. e.g. # cat /sys/kernel/debug/netdevsim/netdevsim0/ports/0/ipsec SA count=3D4 tx=3D40 sa[0] tx ipaddr=3D0.0.0.0 sa[0] spi=3D0x00000100 proto=3D0x32 salt=3D0x0adecc3a crypt=3D1 sa[0] key=3D0x3167608a ca4f1397 43565909 941fa627 sa[1] rx ipaddr=3D192.168.0.1 sa[1] spi=3D0x00000101 proto=3D0x32 salt=3D0x0adecc3a crypt=3D1 sa[1] key=3D0x3167608a ca4f1397 43565909 941fa627 sa[2] tx ipaddr=3D:: sa[2] spi=3D0x00000100 proto=3D0x32 salt=3D0x0adecc3a crypt=3D1 sa[2] key=3D0x3167608a ca4f1397 43565909 941fa627 sa[3] rx ipaddr=3D2000::1 sa[3] spi=3D0x00000101 proto=3D0x32 salt=3D0x0adecc3a crypt=3D1 sa[3] key=3D0x3167608a ca4f1397 43565909 941fa627 Signed-off-by: Hangbin Liu Reviewed-by: Simon Horman --- drivers/net/netdevsim/ipsec.c | 12 ++++++++---- 1 file changed, 8 insertions(+), 4 deletions(-) diff --git a/drivers/net/netdevsim/ipsec.c b/drivers/net/netdevsim/ipsec.c index f0d58092e7e9..102b0955eb04 100644 --- a/drivers/net/netdevsim/ipsec.c +++ b/drivers/net/netdevsim/ipsec.c @@ -39,10 +39,14 @@ static ssize_t nsim_dbg_netdev_ops_read(struct file *fi= lp, if (!sap->used) continue; =20 - p +=3D scnprintf(p, bufsize - (p - buf), - "sa[%i] %cx ipaddr=3D0x%08x %08x %08x %08x\n", - i, (sap->rx ? 'r' : 't'), sap->ipaddr[0], - sap->ipaddr[1], sap->ipaddr[2], sap->ipaddr[3]); + if (sap->xs->props.family =3D=3D AF_INET6) + p +=3D scnprintf(p, bufsize - (p - buf), + "sa[%i] %cx ipaddr=3D%pI6c\n", + i, (sap->rx ? 'r' : 't'), &sap->ipaddr); + else + p +=3D scnprintf(p, bufsize - (p - buf), + "sa[%i] %cx ipaddr=3D%pI4\n", + i, (sap->rx ? 'r' : 't'), &sap->ipaddr[3]); p +=3D scnprintf(p, bufsize - (p - buf), "sa[%i] spi=3D0x%08x proto=3D0x%x salt=3D0x%08x crypt=3D%d\n", i, be32_to_cpu(sap->xs->id.spi), --=20 2.46.0