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[213.67.3.247]) by smtp.gmail.com with ESMTPSA id 2adb3069b0e04-53da283bc7csm144610e87.233.2024.11.13.07.26.44 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 13 Nov 2024 07:26:44 -0800 (PST) Date: Wed, 13 Nov 2024 16:26:43 +0100 From: "Edgar E. Iglesias" To: Philippe =?iso-8859-1?Q?Mathieu-Daud=E9?= Cc: qemu-devel@nongnu.org, Richard Henderson , Peter Maydell , Anton Johansson , Jason Wang , qemu-arm@nongnu.org, =?iso-8859-1?Q?Marc-Andr=E9?= Lureau , Thomas Huth , Alistair Francis , Paolo Bonzini , Gustavo Romero Subject: Re: [PATCH 10/20] hw/net/xilinx_ethlite: Introduce rxbuf_ptr() helper Message-ID: References: <20241112181044.92193-1-philmd@linaro.org> <20241112181044.92193-11-philmd@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20241112181044.92193-11-philmd@linaro.org> User-Agent: Mutt/2.2.12 (2023-09-09) Received-SPF: pass client-ip=2a00:1450:4864:20::12b; envelope-from=edgar.iglesias@gmail.com; helo=mail-lf1-x12b.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+alex.bennee=linaro.org@nongnu.org Sender: qemu-devel-bounces+alex.bennee=linaro.org@nongnu.org X-TUID: 7TKbfGRcD8b3 On Tue, Nov 12, 2024 at 07:10:34PM +0100, Philippe Mathieu-Daudé wrote: > rxbuf_ptr() points to the beginning of a (RAM) RX buffer > within the device state. > > Signed-off-by: Philippe Mathieu-Daudé Reviewed-by: Edgar E. Iglesias > --- > hw/net/xilinx_ethlite.c | 9 ++++++++- > 1 file changed, 8 insertions(+), 1 deletion(-) > > diff --git a/hw/net/xilinx_ethlite.c b/hw/net/xilinx_ethlite.c > index d4882f43f7..fdbf25fd91 100644 > --- a/hw/net/xilinx_ethlite.c > +++ b/hw/net/xilinx_ethlite.c > @@ -99,6 +99,13 @@ static void *txbuf_ptr(XlnxXpsEthLite *s, unsigned port_index) > return &s->regs[rxbase + R_TX_BUF0]; > } > > +static void *rxbuf_ptr(XlnxXpsEthLite *s, unsigned port_index) > +{ > + unsigned int rxbase = port_index * (0x800 / 4); > + > + return &s->regs[rxbase + R_RX_BUF0]; > +} > + > static uint64_t > eth_read(void *opaque, hwaddr addr, unsigned int size) > { > @@ -220,7 +227,7 @@ static ssize_t eth_rx(NetClientState *nc, const uint8_t *buf, size_t size) > trace_ethlite_pkt_size_too_big(size); > return -1; > } > - memcpy(&s->regs[rxbase + R_RX_BUF0], buf, size); > + memcpy(rxbuf_ptr(s, port_index), buf, size); > > s->regs[rxbase + R_RX_CTRL0] |= CTRL_S; > if (s->regs[R_RX_CTRL0] & CTRL_I) { > -- > 2.45.2 >