From patchwork Wed Jun 1 18:43:33 2011 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Simon Glass X-Patchwork-Id: 98239 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from theia.denx.de (theia.denx.de [85.214.87.163]) by ozlabs.org (Postfix) with ESMTP id 4472BB6F8F for ; Thu, 2 Jun 2011 04:45:05 +1000 (EST) Received: from localhost (localhost [127.0.0.1]) by theia.denx.de (Postfix) with ESMTP id D13DC28223; Wed, 1 Jun 2011 20:44:44 +0200 (CEST) X-Virus-Scanned: Debian amavisd-new at theia.denx.de Received: from theia.denx.de ([127.0.0.1]) by localhost (theia.denx.de [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id lrdoh2eMaFfG; Wed, 1 Jun 2011 20:44:44 +0200 (CEST) Received: from theia.denx.de (localhost [127.0.0.1]) by theia.denx.de (Postfix) with ESMTP id 0B3BE28216; Wed, 1 Jun 2011 20:44:37 +0200 (CEST) Received: from localhost (localhost [127.0.0.1]) by theia.denx.de (Postfix) with ESMTP id EF6B628212 for ; Wed, 1 Jun 2011 20:44:32 +0200 (CEST) X-Virus-Scanned: Debian amavisd-new at theia.denx.de Received: from theia.denx.de ([127.0.0.1]) by localhost (theia.denx.de [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id GHlrJfZL9cfR for ; Wed, 1 Jun 2011 20:44:32 +0200 (CEST) X-policyd-weight: NOT_IN_SBL_XBL_SPAMHAUS=-1.5 NOT_IN_SPAMCOP=-1.5 NOT_IN_BL_NJABL=-1.5 (only DNSBL check requested) Received: from smtp-out.google.com (smtp-out.google.com [216.239.44.51]) by theia.denx.de (Postfix) with ESMTPS id AC7EF281FA for ; Wed, 1 Jun 2011 20:44:26 +0200 (CEST) Received: from kpbe12.cbf.corp.google.com (kpbe12.cbf.corp.google.com [172.25.105.76]) by smtp-out.google.com with ESMTP id p51Ii9BF017351; Wed, 1 Jun 2011 11:44:09 -0700 Received: from sglass.mtv.corp.google.com (sglass.mtv.corp.google.com [172.22.72.144]) by kpbe12.cbf.corp.google.com with ESMTP id p51Ii3hl013395; Wed, 1 Jun 2011 11:44:03 -0700 Received: by sglass.mtv.corp.google.com (Postfix, from userid 121222) id 144A7141071; Wed, 1 Jun 2011 11:44:03 -0700 (PDT) From: Simon Glass To: U-Boot Mailing List Date: Wed, 1 Jun 2011 11:43:33 -0700 Message-Id: <1306953814-15060-5-git-send-email-sjg@chromium.org> X-Mailer: git-send-email 1.7.3.1 In-Reply-To: <1306953814-15060-1-git-send-email-sjg@chromium.org> References: <1306953814-15060-1-git-send-email-sjg@chromium.org> X-System-Of-Record: true Cc: Andy Fleming Subject: [U-Boot] [PATCH v7 4/5] Put common autoload code into auto_load() function X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.9 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: u-boot-bounces@lists.denx.de Errors-To: u-boot-bounces@lists.denx.de This is a small clean-up patch. Signed-off-by: Simon Glass --- net/bootp.c | 75 +++++++++++++++++++++++++--------------------------------- 1 files changed, 32 insertions(+), 43 deletions(-) diff --git a/net/bootp.c b/net/bootp.c index 4db63cb..4774624 100644 --- a/net/bootp.c +++ b/net/bootp.c @@ -138,6 +138,35 @@ static int truncate_sz (const char *name, int maxlen, int curlen) return (curlen); } +/* + * Check if autoload is enabled. If so, use either NFS or TFTP to download + * the boot file. + */ +static void auto_load(void) +{ + const char *s = getenv("autoload"); + + if (s != NULL) { + if (*s == 'n') { + /* + * Just use BOOTP to configure system; + * Do not use TFTP to load the bootfile. + */ + NetState = NETLOOP_SUCCESS; + return; + } +#if defined(CONFIG_CMD_NFS) + if (strcmp(s, "NFS") == 0) { + /* + * Use NFS to load the bootfile. + */ + NfsStart(); + return; + } +#endif + TftpStart(); +} + #if !defined(CONFIG_CMD_DHCP) static void BootpVendorFieldProcess (u8 * ext) @@ -279,6 +308,7 @@ static void BootpVendorProcess (u8 * ext, int size) if (NetBootFileSize) debug("NetBootFileSize: %d\n", NetBootFileSize); } + /* * Handle a BOOTP received packet. */ @@ -287,7 +317,6 @@ BootpHandler(uchar *pkt, unsigned dest, IPaddr_t sip, unsigned src, unsigned len) { Bootp_t *bp; - char *s; debug("got BOOTP packet (src=%d, dst=%d, len=%d want_len=%zu)\n", src, dest, len, sizeof (Bootp_t)); @@ -314,26 +343,7 @@ BootpHandler(uchar *pkt, unsigned dest, IPaddr_t sip, unsigned src, debug("Got good BOOTP\n"); - if ((s = getenv("autoload")) != NULL) { - if (*s == 'n') { - /* - * Just use BOOTP to configure system; - * Do not use TFTP to load the bootfile. - */ - NetState = NETLOOP_SUCCESS; - return; -#if defined(CONFIG_CMD_NFS) - } else if (strcmp(s, "NFS") == 0) { - /* - * Use NFS to load the bootfile. - */ - NfsStart(); - return; -#endif - } - } - - TftpStart(); + auto_load(); } #endif @@ -907,34 +917,13 @@ DhcpHandler(uchar *pkt, unsigned dest, IPaddr_t sip, unsigned src, debug("DHCP State: REQUESTING\n"); if ( DhcpMessageType((u8 *)bp->bp_vend) == DHCP_ACK ) { - char *s; - if (NetReadLong((ulong*)&bp->bp_vend[0]) == htonl(BOOTP_VENDOR_MAGIC)) DhcpOptionsProcess((u8 *)&bp->bp_vend[4], bp); BootpCopyNetParams(bp); /* Store net params from reply */ dhcp_state = BOUND; printf ("DHCP client bound to address %pI4\n", &NetOurIP); - /* Obey the 'autoload' setting */ - if ((s = getenv("autoload")) != NULL) { - if (*s == 'n') { - /* - * Just use BOOTP to configure system; - * Do not use TFTP to load the bootfile. - */ - NetState = NETLOOP_SUCCESS; - return; -#if defined(CONFIG_CMD_NFS) - } else if (strcmp(s, "NFS") == 0) { - /* - * Use NFS to load the bootfile. - */ - NfsStart(); - return; -#endif - } - } - TftpStart(); + auto_load(); return; } break;